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Science
A gene is to a chromosome as _______. a) a pea is to as a pod b) a front is to a back c) a bike is to a car d) a building is to a window I think it is a.

science(check my answers)
1. Which of most likely to be a part of an ionic bond? A.an atom with no valence electrons b.an atom with one valence electrons** c.an atom with two valence electrons d.an atom with three valence electrons 2.to form oxygen molecule(02), two oxygen a share two pairs of ...

Science
A scientific hypothesis must be , A or d? Correct Able to be manipulated Able to control Able to test

Science
Carbon could be classed as a metal true or fales

Science
Carbon could be classed as a metal

Science
chemical property mixture heatcapasity homogeneous viscosity sublimitation physicalproperty compound chemicalformula substance density mass tempurature pressure heterogenerous A _________ property of matter describes its ability to change into different substances.unsure The ...

science
importance of utilizing natural energy in architecture

Science
Two boys A and B are at two diametrically opposite points on a circle. At one instant the two start running on the circle; A anticlockwise with constant speed v and B clockwise with constant speed 2v. In 2 minutes, they pass each other for the first time. How much later will ...

Science homework
john is on a skiing holiday. he starts from rest on a long gentle incline of 6° and the coefficient of kinetic friction between the skies and the snow is 0,06. the weight of john and his skies is 800 n., traveling 100m

science
The following replicate values were reported for the concentration of magnesium chloride, MgCl2, in mol/L. What value should be reported as the mean concentration of the chloride ion, Cl, converted to ppm? (You may use the simplified definition of ppm.)0.00141, 0.00138...

Science
john is on a skiing holiday. he starts from rest on a long gentle incline of 6° and the coefficient of kinetic friction between the skies and the snow is 0,06. the weight of john and his skies is 800 n. Traveling 100m

science
A crane accidently drops a box full of material into a freshwater pool measuring 20 feet long, 10 feet wide, and 6 feet deep before the box is dropped causing the water level to rise to 6.05 feet after the box is dropped. The box is 10x8x12 inches and the material inside ...

Science Check my work PLS
Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly**** Scientists use models of natural systems because they like to use art in science. ...

Science
What is the acceleration of a kg object if force of 3 n is applied to it?

Earth Science
which two criteria must be met before scientists can use radiocarbon dating? I need serious help dudes lol

science
A gymnast is performing a routine on the trampoline. At the beginning of each jump, she leaves the trampoline with a vertical velocity of 7.4 m/s upward. What is her vertical acceleration when she is at the apex of each of her jumps?

science
6.023*x10^21 electrons are present n a given amount of ammonium (NH3).How much amount of hydrogen is required to produce the sample of ammonia

Science, Nature Science
Can you please give me three examples of things that photosynthesize that live in oceans?

Math
Rita needs to measure out 3.5 gallons of vinegar for a science experiment However, her only measuring tool is a measuring cup that holds 1 cup. How many cups of vinegar does she need? I am confused on this can you please help me?

science
Water has a density of 1g/ml. If an object has a densidy of less 1g/ml will sink or float?

Science (Chemistry) (Measurement Uncertainty)
Three students are asked to determine the mass of a coon. They each measure different values for the mass of the coin using a balance. Student A recorded a mass of 63.08g, student B recorded a mass of 63.022g and student C recorded a mass of 63.0328g. If the balance is ...

science
Describe how you will prepare 500cm of 1M nacl

Science
what steps are important in the process of creating a scientific theory A) Hypothesizing,observing,and testing. B) Creating a prototype and trouble-shooting. C) Analyzing,Offering an opinion, and evaluating D) Trouble-shooting,hypothesizing,and evaluating. Help Me!! please

science
T or f,if false,explain why.volume is measurement of how much matter is in an object

Science
Answer with solution, plz. 1. What is the concentration of the solution by volume when dissolved is used 30 grams & the water is 60 grams. 2. How much solvent in grams is present in a solution with a concentration by volume of 40% the solute of content is 60 grams.

science
A man of mass 50kg is walking on a long wooden board of mass 200 kg. The wooden board is initially at rest on a frictionless ice surface. If the man walks with a velocity 1m/s in the positive x direction relative to the wooden board,find the velocity of the board in m/s?

Science, Nature Science
Can you give me three examples of things that photosynthesize that live in oceans?

Science,
Why don’t bodies of water freeze in the winter, even when ice or snow forms?

Science, Nature Science,ence, Nature Science,ence
How does water help us stay cool?

Physical science
A piece of metal has a mass 85 cg and a volume of 450L. What is the density g/cm cubed? What would be the mass of 300 cm cubed of this metal? What would be the volume of 200 ounces of this metal?

physical science
a car travels 50km east in 30 mins. what is the velocity in km/h

Science
The resistance is obserbed to be raised by4 times how many times the lenth has to b changed by keeping area constant

Science
The fastest growing plant on record is the hesperoyucca whipplei suppose a plant of this type grows 2.5 m in 14 days, what is the growth rate in micrometer per second?

computer science java
write a program in java for a grocery (fruit shop calculate the prize of bananas @ $.89/kg declaring the the prices of all either as instances or class variables.declare the weight of the fruit as local variables

Science
What is the ph scale used for?

science
an incident ray makes an angle of 20 degree with the plane mirror.what would be the measure of angle of reflection?

Science
Calculate the molarity of 10 % HNO3 (w/w) solution if its density is 2.0 g/cc at 25° C.

Science, NATS
Consider the following chemical reaction. Molecular hydrogen and carbon dioxide react to form water and methane. H2+CO2-->H2O+CH4 A)Explain why this equation is not balanced and what law of nature does it break in its current form? B) Astronauts from the Earth carry large ...

Physical science
What is the wavelength of a standing wave in cm, if the separation between two adjacent nodes is 13.7cm?

science
some have more than a 100 some hav none

Science, Nature Science,
Give 3 examples of nutrients that WE NEED in our bodies that are soluble in water. Give 3 examples of gases that are soluble in water. Could you please help me these questions?

Science
a stone mass of 2.5kg is falling a certai height. Find the force of attraction between the earth and the stone. Also find its acceleration

science
1. What is the main difference between mechanical and electromagnetic waves A. Mechanical waves involve transfer of energy; electromagnetic waves do not. B. Mechanical waves require a medium to travel in; electromagnetic waves do not. C. Mechanical waves have amplitude and ...

Science
If the frequency of middle-C is 44Hertz, what is the wavelength of the sound in centimeters?

science
A displacement vector r in the xy plane is 15m long and directed ...

Science
From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As the drawing shows, the bullet puts a hole in a window of another building and hits the wall that faces the window. (y = 0.44 m, and x = 6.8 m.) Using ...

Science
From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As the drawing shows, the bullet puts a hole in a window of another building and hits the wall that faces the window. (y = 0.44 m, and x = 6.8 m.) Using ...

Science
A piece of wire of resistance R and cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R1 then the ratio of R and R1 is what.

Science
Compounds with high melting points have ___ a. Covalent bonds b. Metallic Bonds c. Ionic bonds*** d. No chemical bonds How could you determine if a sample of gold is pure? Compare the sample's density with that of pure gold.*** Compare the sample's color with that of pure gold...

Science (check my answers)
1. In plants, sexual reproduction occurs when sperm and egg unite to form a... a. gamete b. gametophyte c. sporophyte d. zygote Is it d?

Physical science
A golfer on a level fairway hits a ball at an angle of 42* to the horizontal that travels 100 yd before striking the ground. He then hits another ball from the same spot with the same speed, but at a different angle. This ball also travels 100 yd. At what angle was the second ...

Science
Describe what makes a mineral unique from other substances. This is (my answer) Its not a lot tho :( Answer:A mineral is a natural occurring crystalline. Minerals are naturally occurring. PLS HELP It's worth 4 points.

science
Both carbon dioxide and water are pure substances. How are they similar to each other? A. both substances have a set ratio of atoms that cannot be separated by physical means. B. both substances have a set ratio of atoms that can be separated by physical means. C. both ...

Science
How much energy is needed to raise the temperature of 2.0kg of aluminium by 30oc

Science
measure the pressure of (water being) 1000kg/mmm density and 40 kg weight on its base

science
Iron is obtained by reduction of iron(iii)oxide gas in a blast furnace.calculate the amount of iron(iii)oxide needed to produce 100tonnes of iron.

science
A ball thrown vertically upwards with an initial speed of 24.5m/s.Calculate the greatest height it will stain.

computer science
Acarrentalcompanyusesthefollowingtableto​helpcomputerentalfees. TABLE 9.3 Car Type Chevrolet Corvette Pontiac Buick Oldsmobile Cadillac Rate per Day 50.00 85.00 53.00 60.00 60.00 70.00 Rate per Mile 0.27 0.45 0.32 0.32 0.35 0.40 Write a program to calculate car rental ...

science
if the ball that was thrown to a fried has a mass of 0.15kg and it accelerates at 20m/s, what force did you exert on the ball?

Science
What is the answer for 3g of sugar in 300ml of water

Science
in scientific inquiry what is communicating?

Science
What would the density of 8 g of the unknown substance from Zarkon be

AGRIC SCIENCE
WHAT IS THE SCIENTIFIC NAME OF CATTLE

AGRIC SCIENCE
WHAT IS THE BOTANICAL NAME OF CATTLE

maths /science
A body calling from rest has a velocity of 25m/s at given instant. Calculate 1 the distance the body has fallen 2 the time taken

maths/science
A body falls from a position of rest at the top of a tall building and attains a velocity of 63.7m/s just before striking the ground. Calculate the time for the body to fall from the top of the building to the ground

Science , Earth , Waterce , Earth , Waterce
How can I answer this question? Draw an overall conclusion: how does water compare to other substances? Why do you think so? Please help me...

computer science
Acarrentalcompanyusesthefollowingtableto​helpcomputerentalfees. TABLE 9.3 Car Type Chevrolet Corvette Pontiac Buick Oldsmobile Cadillac Rate per Day 50.00 85.00 53.00 60.00 60.00 70.00 Rate per Mile 0.27 0.45 0.32 0.32 0.35 0.40 Write a program to calculate car rental ...

Science
Which of the following is a good study habit? A - maintaining a positive attitude B - waiting until the last minute to start on an assignment C - listening to the television while studying D - studying when you are tired A. ?

Evironmental Science
All of the following make up the three major categories of environmental problems except? a. loss of biodiversity. b. overpopulation. c. resource depletion.

science
Find the gravitational acceleration if a spaceship at a distance equal to double of earth's radius from the centre of the earth (g on earth is 9.8 m/s^2)

science
How do I make an acrostic poem for reactants?

science
A force of 5N gives a mass M,an acceleration of 18ms-2qnd a mass m,an acceleration of 24m s-2.what acceleration wouldit give if both the masses were tied together?

Science
So I have an 89% in my science class and we took a test worth 15 points. I only got 8 correct which is an F. I have 2 A's, a B, and a D as the other grades in the grade book. How will this F affect my grade? I need it to stay a B

science
Force is exerted to move a body of mass 50kg from 2 m/s to 5m/s over a period of 10 seconds.draw a velocity time graph regarding the same and calculate the value of force.

science
A person is travelling in the east direction with a speed of 2 km/hr with respect to the ground. he finds that the wind seems to blow from north. When he doubles his speed, the wind appears to come from north-east direction. determine the velocity of wind.

science
will the mass of an object ever equal its volume. Give an example of two things that may have the same volume but a different mass?

Science
What is the difference between latitude and longitude

science
Draw and label a diagram of a nitrogen atom. It should have 7 protons,7 neutrons, and 7 electrons

science
If an object has a mass of 56g and a volume of 22cm', will the object float in water? explain your answer.

Science
Mass is measured in grams, accelaration is measured in meters per second squared, and distance is measured in meters. Force is equal to mass times sccelation, and work is equal to force times distance. What is the unit of work?

Science
I need help finding two examples of natural social systems

Science
How do scientist work

Science
when a current is passed through water during the process of electrolysis,two gases are formed. One gas has formed has a boiling point of -256 degrees celsius.Has a chemical or physical change occurred? Explain. ok i've already answered just need a few more sentences. This is ...

science
A body travelled from rest with acceleration 8m/s-2 find its velocity if the distance is 100m

Science
Can someone please explain how to do dot and cross diagrams. Thanks

computer science
____________ is an application program included with Windows that allows the contents of the computer, the hierarchy of folders on the computer, and the files and folders in each folder to be viewed.

Science
What propity makes a metal useful in a electical devices

physical science
Find the gravitational force between two 20 kg spheres that are separated by 4.0 m.

Science
A substance has melting point of 0 Celius and a boiling point of 100 Celius. The substance is most likely * water * hydrogen * gold * table salt

Physical Science
which of the following is a physical change? * sawing a piece of wood in half * burning a piece of wood * rust forming on an iron fence * a copper roof changing color from red to green.

Science (Please help!!)
creating a prototype and troubleshooting are steps in the development of a: a new scientific theory b: a new experiment c: a new scientific law d: a new technology ******* Please help =)

Physics
A science student is riding on a flatcar of a train along a strait, horizontal track at a constant speed of 12.0 m/s. The student throws a ball into the air along a path he judges to make an initial angle 65. deg with the horizontal and to be in line with the track. The ...

Please help do by 10:00 Science
1. Convert 4.0 kilometers (km) to meters (m). (1 point) 0.04 m 40 m 400 m 4,000 m 2. For his science project, Austin wants to determine if the pH of standing rainwater changes over time. He collects a jar of rainwater and places it indoors in a spot that does not receive a lot...

Science
If a cell membrane is both permeable to salt and water, what will immediately occur?

Science
The mass of astromout measured on earth in 8500g. What will be his weight on earth

science
what is the focal lenght of an object 10cm in front of a convex mirror having image that is 5cm behind the mirror?

science
1. If person weighs 176 lbs on earth what is his or her mass on mars where the force of gravity is 37% of that on earth. With Complete solution

Science
a freight train must approach a road crossing at 16km/h. after passing through the intersection, the train speeds up to 65 km/h, taking 10 min to do so. what is the train's acceleration during this time in meters per second squared

physical science
How much would a 81.4 kg person weigh on Venus, where the acceleration of gravity is 8.87 m/s2?

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