Two electrons are placed; one at north pole and other at south pole of earth. Find the force between them. Given diameter of earth= 12800 km.
100,104 results, page 75-
chemistry
what are the favored geometrical arrangements for abn molecules which the A atom has 2, 3, 4, 5 and 6 pairs of electrons in its valence shell?
asked by Mai on April 1, 2014 -
Science
During beta-particle emission, a neutron splits into a proton and an electron two protons two electrons two neutrons
asked by Sophia on March 6, 2012 -
chemistry
How many electrons are in the highest occupied energy level of these atoms? Na(sodium) Al (aluminum) F(fluorine) C(carbon)
asked by james on February 9, 2012 -
chemistry
Which of these ions have five d electrons in the outermost d subshell? Mn2+ Fe2+ Re2+ Y2+ Tc2+ Zn2+ Ru2+
asked by Katie on March 30, 2012 -
Physics
How many electrons pass a given point in the circuit in 17 minutes? The fundamental charge is 1.602•10^-19. And the current is 0.526315789
asked by Cynthia H. on January 14, 2016 -
physics
calculate the net charge on a substance consisting of a combination of 3.0X10^13 protons and 8.6X10^13 electrons.
asked by jandy on April 16, 2012 -
PHYSICS PLEASE HELP!
Two nitrogen atoms are separated by 4 cm. Each atom has 2 extra electrons. What is the force between them? is it attractive or repulsive? Explain.
asked by Anonymous on January 20, 2013 -
Science
Why are metals good conductors of heat and electricity? Does it have to do with their valence electrons or the atomic packing factor?
asked by Kim on September 8, 2018 -
chemistry
Silver is electroplated at the cathode of an electrolysis cell by 1/2 reaction Ag(aq) + e- --> Ag(s). How many moles of electrons are required to electroplate 5.8g of Ag?
asked by Ashley on November 30, 2011 -
Chemistry
If your body develops a charge of -19 (microcoulombs), how many excess electrons has it acquired? What is their collective mass? Please explain how to do this
asked by Jackie on September 8, 2011 -
To Dr.Bob222
Is the answer for the nine protons and 10 electrons thing F^1- Yes, I answered to that effect at the original post. Its the fluoride ion.
asked by Googly Eyez on October 15, 2006 -
chemistry
for an oxygen atom,wich requeres more energy,the addition of two electrons or the removal of one electron?explain why
asked by kabelo on September 19, 2010 -
Physics
How many electrons pass a given point in the circuit in 17 minutes? The fundamental charge is 1.602•10^-19. And the current is 0.526315789
asked by Cynthia H. on January 13, 2016 -
Science
if an atomic nucleus were the size of a dime how far away might one of its electrons be? A. 1 foot B. 1 inch*** C. 1 yard D. 1 mile My answer (***)
asked by kaz... on February 2, 2018 -
English
Can you check these sentences for me, please? 1)He is a superstar now and he is slamming (a synonym?) on his guitar. 2)He is responsible for the building (?) of Westminster Abbey. 3)He withdrew from Britain to defend Rome against (or from?) a Barbarian
asked by Franco on February 17, 2010 -
English Please help
i have an essay and ive been researching the topic like for freaking ever and i havent been able to fine anything "scholarly" through collins(my college's) libraries searching databases do you know any scholarly websites..?? Like literally ive been
asked by Jessica on October 9, 2011 -
math
Earth weight is 5.9736 x 10^24 Kg and Venus is 4.8685 x 10^24 Kg. What is the combined weight of Earth and Venus ? a)10.8421 X 10^26 Kg b)10.8421 x 10^23 Kg c)10.8421 x 10^25 Kg d)1.08421 x 10^25 Kg
asked by victoria on September 11, 2013 -
Math
Earth weight is 5.9736 x 10^24 Kg and Venus is 4.8685 x 10^24 Kg. What is the combined weight of Earth and Venus ? a)10.8421 X 10^26 Kg b)10.8421 x 10^23 Kg c)10.8421 x 10^25 Kg d)1.08421 x 10^25 Kg
asked by asdflk;jasdfla;kjsdfl; on January 13, 2016 -
math
an object that weighs 234lb on jupiter weighs 100lb on earth. what would an object that weighs 400 lb on jupiter weigh on earth?
asked by linda on February 1, 2011 -
physics
How do i find this? A shooting star is a meteor that burns up when it reaches Earth's atmosphere. Many of these meteoroids are quite small. Calculate the kinetic energy of a meteoroid of mass 6.0 g moving at a speed of 45 km/s and compare it to the kinetic
asked by raina on April 5, 2010 -
physics
Find the force of gravity between a newborn baby (mass = 2.9kg ) and the planet Mars (mass = 6.4×1023kg), when Mars is at its closest to Earth (distance = 5.6×1010m).
asked by bob on February 2, 2014 -
Algebra
w=Cr^-2 Suppose that an object is 100 pounds when it is at sea level. Find the value of C that makes the equation true. (Sea level is 3,963 miles from the center of the earth.)
asked by Marysvoice on January 28, 2008 -
Physics
A military helicopter on a training mission is flying horizontally at a speed of 60.0 m/s and accidentally drops a bomb (fortunately not armed) at an elevation of 350 m. You can ignore air resistance. Find the horizontal and vertical components of its
asked by Michelle on October 22, 2012 -
trig
two ships p and q left a port at the same time. q sailed on a bearing of 150 while p sailed on the north side of q. after a distance of 8km and 10km by pand q respectively, their distance apart was 12km. find the bearing of p and r
asked by isaac on February 4, 2015 -
Maths
An aeroplane flies due north for 200 km and then turns due east and flies for a further distance of 325km. Find the bearing,to the nearest degree,of the aeroplane from its starting point.
asked by Shane on April 5, 2013 -
Physics
A passenger walks from one side of a ferry to the other as it approaches a dock.Passenger's velocity is 1.60 due north relative to the ferry, and 4.50 at an angle of 30.0 west of north relative to the water. What is the magnitude of the ferry's velocity
asked by Meow Mix on September 8, 2009 -
Physics
A golfer, putting on a green, requires three strokes to "hole the ball." During the first putt, the ball rolls 5.8 m due east. For the second putt, the ball travels 2.3 m at an angle 20° north of east. The third putt is 0.50 m due north. What displacement
asked by yoyoma on August 19, 2010 -
Physics
A golfer, putting on a green, requires three strokes to "hole the ball." During the first putt, the ball rolls 5.9 m due east. For the second putt, the ball travels 2.4 m at an angle 20° north of east. The third putt is 0.50 m due north. What displacement
asked by Nicole on June 26, 2014 -
physics
A golfer, putting on a green, requires three strokes to "hole the ball." During the first putt, the ball rolls 5.9 m due east. For the second putt, the ball travels 2.8 m at an angle 20° north of east. The third putt is 0.50 m due north. What displacement
asked by physics freakiv on June 5, 2012 -
english help revise
The underlying cause of the northern Uganda rebellion is ethnic conflict. Comparable to what we have recently learned many ethnic groups like the Acholi frequently dislike each other due to one ethnic group’s economic exploitation or political domination
asked by Christi on February 27, 2008 -
Geographyand socity
1. _______________________ is the science of predicting the weather. (1 point) Climatology Ecology Meterology Botany 2. _______________________ is the condition of the atmosphere at any given location and time. (1 point) Weather Precipitation Climate
asked by vensu on October 5, 2010 -
physics
The period of a satellite is the primary way that the mass of planets is determined. The equation used for this calculation uses the fact that gravity of the planet provides the centripetal force to keep the satellite in orbit. The distance from the Earth
asked by ck on November 23, 2010 -
physics
Hint: for part I use G = 6.67 times 10 to the negative 11. for part II, you don’t need to do the full calculation, you can just use your knowledge of how force of gravity depends on mass and separation distance. Compare the gravitational force on a 49 kg
asked by chitra on December 16, 2009 -
Economics
THE SOUTH AFRICAN GOVERNMENT IS NOT PROVIDING ENOUGH WELFARE OR SUBSIDIES TO THE POOR AND UNDERPRIVILEDGED. 1.What are welfare payments or consumer subsidies? 2.What is the South African government providing and to whom? 3.What are the cost and
asked by Penwell on March 16, 2014 -
Math
the mass of earth is 5.97 x 10^24 kilograms. The mass of the moon is 7.34 x 10^22 kilograms. Part A: What is the combined mass of earth and the moon? express your answer in scientific notation. Part B: How many times greater is the mass of earth than the
asked by Jayson Angole on March 31, 2013 -
physics
On planet X, an object weighs 18.1 N. On planet B where the magnitude of the free-fall acceleration is 1.28 g (where g = 9.8 m/s 2 is the gravitational acceleration on Earth), the object weighs 37.9 N. The acceleration of gravity is 9.8 m/s 2 . What is the
asked by zach on December 8, 2015 -
social studies(updated answers)
2.B 3.C 2. How did global trade most contribute to the colonization of south america? A. competition over shipping lanes B. need for raw materials to make goods C. desire for new trading partners D. resistance to government control of commerce 3. what
asked by bonn on March 14, 2014 -
SCIENCE
Determine the mass of a person on the moon whose mass on Earth is 70 kg Determine the weight of a person on the moon whose weight on Earth is 148 lbs. How is the mutual gravitational force affected by changing the separation distance between two 1.0 kg
asked by Anonymous on February 13, 2012 -
Science
A CHILD IS BORN ON EARTH IN 2000. yOU ARE 94.6 TRILLION KILOMETERS AWAY FROM EARTH AND YOU SEE THE CHILD'S 3RD BIRTHDAY. HOW OLD IS THE CHILD AT THE TIME OF THE CHILD'S 3RD BIRTHDAY?
asked by Chelsee on February 7, 2008 -
physics help 2 please!!
Mass A (7 kg) and mass B (10 kg) sit on the ground, 2 m apart. a.) What is size of the the gravitational force: on A from B? N on B from A? N b.) What is the size of the gravitational force: on A from the Earth? N on B from the Earth? N once again, i am
asked by kelsey on October 31, 2008 -
PHYSICS
AT WHAT DISTANCE ABOVE THE SURFACE OF THE EARTH IS THE ACCELERATION DUE TO EARTH'S GRAVITY 0.980M/S² IF THE ACCELERATION DUE TO GRAVITY AT THE SURFACE HAS MAGNITUDE 9.80M/S²
asked by GIFT on August 4, 2014 -
SOCIAL STUDIES
1. Which activity is part of both private and civic life? (1 point) learning about politics •• voting for a candidate going to sports games working at a bookshop 2. Why are elections necessary for good governance? (1 point) Elected officials can be
asked by GrimmGamer on October 20, 2016 -
ga history
1. which economic activities are most dependent on georgia's climate? a lumber and mining b imports and exports c agriculture and tourism d transportation and telecommunications 2. the boundary between the piedmont and the coastal plain is known as the a
asked by kathy need help asap on October 27, 2014 -
Biology
Compare and contrast the structure and function of a compound light microscope and a scanning electron microscope. Be sure to discuss the structure and function of each as well as the function and usefulness of each when examining a specimen. Please help!
asked by School Lover on August 26, 2014 -
Physics
For which of the following situations can the equation F = mg not be used to calculate the force due to gravity? a) The pull of gravity on an apple on the surface of the Earth. b) The pull of gravity on an airplane flying at an altitude of 8 km above the
asked by Kelvin on November 19, 2012 -
physics
Calculate the kinetic energy that the earth has because of its rotation about its own axis. For comparison, the total energy used in the United States in one year is about 9.33 109 J. cannot_evaluate cannot_evaluate J (b) Calculate the kinetic energy that
asked by zeta on February 8, 2010 -
Physics (please help)
Calculate the magnitudes of the gravitational forces exerted on the Moon by the Sun and by the Eart when the two forces are in direct competition, that is, when the Sun, Moon and Eart are aligned with the Moon between the Sun and the Earth. This alignment
asked by Bon oncle on April 29, 2011 -
tri
A ship leaves port at 5 am and heads due east at 23 knots. At 10 am, to avoid a storm the ship changes course to N 60° E 60° east of north Find the ships distance from port at 4 pm. Round to the nearest tenth.
asked by cha on November 5, 2016 -
Math 12A Plain Trigonometry
a boat leaves lighthouse P and sails 10 miles. At the same time, it is sighted from lighthouse Q, 13 miles west of P. The bearing of the ship from Q is North 70 degree and 30 minutes East. Find the distance of the ship from Q.
asked by Azalea on May 11, 2015 -
Algebra II
A plane is headed due west with an air speed of 212 km/h. It it driven from its course by a wind from due north blowing at 23.6 km/h. Find ground speed of the plane and the actual direction of travel.
asked by Arielle on November 2, 2011 -
life orentation
1.Identify and describe 3 environmental health that cause ill heath, crises,and or disasters within your community or any other community within South Africa and globally. 2.Critically discuss 10 ways in which the environmental health hazard can impact
asked by tlou on April 10, 2013 -
physics
john and paul are trying to move a 100kg piano which is resulting on a flat, smooth floor. John pushing towards the North, while Paul is pushing towards the East. Both are exerting a 100N force. What is acceleration of the piano (magnitude and direction)?
asked by trish on May 16, 2014 -
physics
Two bicyclists, starting at the same place, are riding toward the same campground by different routes. One cyclist rides 1120 m due east and then turns due north and travels another 1550 m before reaching the campground. The second cyclist starts out by
asked by Anonymous on September 15, 2012 -
physics
Two bicyclists, starting at the same place, are riding toward the same campground by different routes. One cyclist rides 1040 m due east and then turns due north and travels another 1540 m before reaching the campground. The second cyclist starts out by
asked by larissa on September 13, 2012 -
Physics
A satellite of mass 210 kg is launched from a site on Earth's equator into an orbit at 210 km above the surface of Earth. (a) Assuming a circular orbit, what is the orbital period of this satellite? (b) What is the satellite's speed in its orbit? (c) What
asked by tom on November 24, 2010 -
Physics
1. A dog sits under the only shade tree in its territory. Suddenly the dog desires to dig a previously buried bone. From the tree the dog goes 13 meters at 22.6° north of east. Not finding the bone there the dog then goes 17 meters at 61.9° north of
asked by Isabel on September 26, 2016 -
Georgia History
1. Which of the following describes the Puritans? A) didn't have much success as planters B) made Sunbury into a thriving port*** C) came from the backcountry of Virginia D) came from Pennsylvania by way of North Carolina 2. Georgia’s slave code was
asked by Sami on September 17, 2016 -
physics
A car is driven east for a distance of 42 km, then north for 25 km, and then in a direction 31° east of north for 26 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's
asked by blah on September 18, 2009 -
physical
A car is driven east for a distance of 43 km, then north for 25 km, and then in a direction 26° east of north for 26 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's
asked by alexx on March 11, 2011 -
physics
A car is driven east for a distance of 49 km, then north for 21 km, and then in a direction 30° east of north for 27 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's
asked by tom on March 10, 2011 -
PHY
A car is driven east for a distance of 43 km, then north for 25 km, and then in a direction 26° east of north for 26 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's
asked by alex on March 10, 2011 -
Physics
A car is driven east for a distance of 46 km, then north for 29 km, and then in a direction 29° east of north for 22 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's
asked by Michael on March 10, 2013 -
physics
A car is driven east for a distance of 41 km, then north for 21 km, and then in a direction 30° east of north for 25 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's
asked by jessica on September 8, 2011 -
physic
A car is driven east for a distance of 44 km, then north for 25 km, and then in a direction 27° east of north for 28 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's
asked by keef lam on March 9, 2011 -
physics
If you walk 3.0 km on a straight road and then find that you are 1.5 km east of your starting point and some unknown distance north of your starting point, in which of these directions did you walk?
asked by anon on October 25, 2012 -
physics
The velocity of a ball changes from ‹ 8, −5, 0 › m/s to ‹ 7.88, −5.28, 0 › m/s in 0.04 s, due to the gravitational attraction of the Earth and to air resistance. The mass of the ball is 140 grams. I calculated the acceleration and got what is
asked by sam on June 28, 2014 -
Astronomy
The volume of a ball is given in terms of its radius by V=(4*pi/3)*R^3. Use this to find the average density of Nursat, i.e. the mass per unit volume. Use Earth'€™s mass in kg from the Table of Constants to express your answer in kg/m3.
asked by keitanako on December 9, 2013 -
sci
help i am having trouble with these: The three branches and three systems of geology. According to the Nebular Theory, how did the solar system develop? How is uniformitarianism related to the evolution of Earth and the solar system? i know its in my
asked by troyer0269 on December 13, 2008 -
geography
Compare and contrast folded mountains to volcanic mountains. How they are alike? How they are different? i got some of it.. Similarities: Both were probably formed from convergent plate boundaries. Difference: Volcanic Mountains - are mountains that form
asked by leena on July 25, 2013 -
physics
Landing with a speed of 87.7 m/s, and traveling due south, a jet comes to rest in 939 m. Assuming the jet slows with constant acceleration, find the magnitude and direction of its acceleration. Magnitude of acceleration
asked by martha on September 5, 2012 -
Advanced Maths (Vectors) AQA Level, please help?
An aircraft have a speed in still air of 400 km/h. A wind is blowing from the south at 80 km/h. The pilot wishes the aircraft to travel due east. Find the direction in which aircraft should be steered and the speed at which it will travel.
asked by jat on February 12, 2012 -
Social Studies Check my answers!
1. Which of the following satements would describe the significance of the battle of kettle creek? A.weapons and horses were taken from the British. B. the back country of georgia remained under patriot control C.the morale of the georgia milita was lifted
asked by Amber on October 27, 2015 -
Physics
Jessica's weight is 540 Newtons. According to the Third Law, if the Earth pulls on Jessica with a force of 540N, then Jessica pulls on the Earth with a force of 540 Newtons that acts in the opposite direction. However, if Jessica stumbles while
asked by Anonymous on November 5, 2009 -
Science
When are tides in earth's oceans the highest? A. during the moon's waning gibbous phase. B. during the moon's waxing gibbous phase C. when the moon is at a right angle to the sun*** D. when the sun, Earth, and moon are in line
asked by Angel on February 15, 2016 -
Elevation and depression
From the top of a tower 60m high, two ships are seen in a direction due south. The angle of depression of the ships from the top of the tower are 45degre and 30degree. Find the distance between the ships
asked by Prince on August 17, 2018 -
physics
A truck of mass 2000kg travelling due south collides at an intersection with a car of mass 1200kg travelling due east. The car and truck become entangled and move off to the south-east. The truck driver claims to have been travelling at exactly 60km/hr(the
asked by Lycra on April 13, 2012 -
Philosophy
Can someone please check my answers if it is right. Thank you! True/False 1. Rosenstand argues that moral subjectivism is an intuitively sound, "live and let live" kind of moral position that is both appealing and socially cohesive. -FALSE 2. For the
asked by ivy on July 11, 2014 -
please check(Social studies)
1.A 2.A 3.B 4.D 5.C 1. Which circumstance had the most direct impact on european colonization of caribbean south america A. The slave trade in africa B. the fur trade in europe C. piracy in the caribbean sea D. rumors of gold in EL Dorado 2. How did global
asked by bonn on March 14, 2014 -
Geology
Isochron Diagrams Page 14 of 17 On the control part of the graph select the Rb/Sr option. Rember that the Half-life of Rb-87 is 48.8 Billion Years. Note that the scale on the horizontal axis is now 10 times greater than the vertical axis. Move the slider
asked by Anonymous on September 15, 2010 -
Algebra
1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: w=Cr -2
asked by Sue Bonds on August 13, 2011 -
Classical Mechanics
Approximate Lake superior by a circle of radius 162 km at a latitude of 47 degrees .Assume the water is at rest with respect to earth and find the depth that the center is depressed with respect to the shore due to the centrifugal force.
asked by Anonymous on January 25, 2016 -
Earth Science Regents!!!
Two students in different parts of New York State measure the altitude of Polaris is above the horizon. The student near New York City finds the angle to be 41 degrees. The student near Massena finds the angle to be 45 degrees. Which state is best
asked by Laruen on May 25, 2014 -
economics
This table shows the number of labor hours required to produce a digital camera and a bushel of wheat in China and South Korea. Digital Camera Wheat (bushels ) Quantity of Digital Camera Quantity of Wheat China 100 hours 5 hours 90 1800 South Korea 90
asked by Merna on April 1, 2010 -
History Social studies
1. Which activity is part of both private and civic life? (1 point) learning about politics •• voting for a candidate going to sports games working at a bookshop 2. Why are elections necessary for good governance? (1 point) Elected officials can be
asked by Maria on October 13, 2016 -
SS
1. Which activity is part of both private and civic life? (1 point) learning about politics voting for a candidate*** going to sports games working at a bookshop 2. Why are elections necessary for good governance? (1 point) Elected officials can be fired
asked by Check Answers on October 12, 2016 -
history
a.Which statement about lynchings in the South in the 1890s is true? 1. Lynchings decreased compared to the Reconstruction era. 2. Leaders of lynch mobs tended to come from the wealthy ruling class. 3. Lynchings and acts of violence against blacks
asked by bre on January 27, 2011 -
calculus
Carbon-14 is a radioactive substance produced in the Earth's atmosphere and then absorbed by plants and animals on the surface of the earth. It has a half-life (the time it takes for half the amount of a sample to decay) of approximately 5730 years. Using
asked by j on July 24, 2009 -
Science
1. It is believed that in the Archeaneon (2.5-4 billion years ago) the sun’s radiative output was 30% less than it is today. (i) What would the temperature of the sun have been at that time? (ii) At what wavelength would the peak emission from the sun
asked by Sheena on January 23, 2010 -
PHYSICS- SCIENCE
1. It is believed that in the Archeaneon (2.5-4 billion years ago) the sun’s radiative output was 30% less than it is today. (i) What would the temperature of the sun have been at that time? (ii) At what wavelength would the peak emission from the sun
asked by Sheena on January 23, 2010 -
PHYSICS
1. It is believed that in the Archeaneon (2.5-4 billion years ago) the sun’s radiative output was 30% less than it is today. (i) What would the temperature of the sun have been at that time? (ii) At what wavelength would the peak emission from the sun
asked by HELP! PLEASE! on January 24, 2010 -
L.A.
The River 1. I sit on the bank in my special place, 2. Feel the breeze that lifts my hair, 3. And watch the ripples run across the river. 4. It is so peaceful here. 5. Deep enough to justify a fishing pole, 6. Quiet enough for my every thought, 7. The
asked by Gracious Human on May 13, 2016 -
Physics Gravity
The earth has a mass = 5.98 X 10^24 kg and the sun has a mass = 1.99 X 10^30 kg. They are separated, center to center, by r= 93 million miles = 150 million km. What is the size of the gravitational force acting on the earth due to the sun? Very confused by
asked by Mike Joseph on June 16, 2012 -
Science
Two pellets, each with a charge of 1.5 microcoulomb (1.5×10−6 C ), are located 2.8 cm (2.8×10−2 m ) apart. Part A Find the electric force between them.Part B What would be the mass of an object that would experience this same force in Earth's
asked by Rachel on April 9, 2016 -
Physics
The solar radiation incident on the Earth has a power density of approximately 900W/m2. Find the rms value of the electric field. I know that Erms = Emax/squareroot(2) But how can I pass from W/m^2 to electric field?
asked by Waves - AEC on March 10, 2018 -
social studies PLEASE CHECK
1. which is an event of the progressive era enacted by the local government in South Carolina? a. the first grange chapter was established for farmers b. the grandfather clause gave poor whites the right to vote c. blacks were disfranchises through a poll
asked by what on May 7, 2014 -
Precalculus
The instruments with an aircraft show that it is headed east with an airspeed of 180 mph. After 2 hours, the aircraft is actually 375 miles east and 20 miles north of its starting point. Find the wind speed and its direction.
asked by Merry on March 27, 2017 -
calc 3
A woman walks due west on the deck of a ship at 4 mi/h. The ship is moving north at a speed of 15 mi/h. Find the speed and direction of the woman relative to the surface of the water. (Round your answers to one decimal place.)
asked by abby on September 1, 2012 -
Biology
Will you please check my answers? 1. Single-celled organisms that do not have a membrane-bound nucleus are called A. organelles. B. prokaryotes. C. Golgi bodies. D. eukaryotes. 2. In cells, a form of active transport is A. a sodium-potassium pump. B.
asked by Macy on July 12, 2013 -
math
Chicago, Illinois has a longitude of 88 degrees West and a latitude of 42 degrees North. Indianapolis, Indiana is located at 86 degrees West and 40 degrees North. At this longitude/latitude, each degree is about 53 miles. What is the distance between
asked by Sammi on January 23, 2012 -
Algebra-Check my answer please!
The Great Galaxy in Andromeda is about 2200000 light years from Earth. Light travels 5900000000000 miles in a year. How many miles is the Great Galaxy in Andromeda from Earth? I got 1.298* 10^20 miles. (This is the exponents unit)
asked by Lucina on December 31, 2014