Homework Help: Science: Earth

Recent Homework Questions About Earth

Art
1. This drawing was made using what natural resource? A. Clay B. Wax based colored pencils c. graphite pencils* d. watercolors. Heres the link so you can see the image: (put a com after the dot) //imgur./a/dQ7OZ 2. The clay for pottery is usually acquired by A. Harvesting the ...

Forces Within and Deciphering Earth's History
Which of the following time spans represent the greatest length of time? A. Era B. Eon C. Period D. Epoch My answer is A.

Forces Within and Deciphering Earth's History
If you find a large piece of granite that, upon inspection, contains smaller fragments of sandstone, which would you say is older, the granite or the fragments of sandstone? A. Sandstone B. It's impossible to tell. C. They're both the same age. D. Granite My answer is d.

Science
What would happen to an object if the force of gravity on earth was decreased by half A. It’s mass would decrease B. It’s weight would decrease**** C. It’s density would decrease D. It’s volume would decrease

Science
What was the particular time period when earth wasn't solid and why isn't it considered a part of Earth's geological history?

Math
Earth orbits the sun in an elliptical pattern. the equation of earths path is (x+2.5)/22350.25 + y^2/22344=1 where the measurements represent millions of kilometers. The sun is located at the focus (0,0). In january, earth id located at one vertices which is 147 million ...

Sociology
Soot plays an important role in climate change, but ______ is still the leading cause of Earth's changing climate. A. acid rain B. nitrous oxide C. carbon monoxide D. carbon dioxide I can't decide between B and D

Math
Earth orbits the sun in an elliptical pattern. The equation of Earth's path is (x+2.5)^2/22350.25 + y^2/22344=1 where the measurements represent millions of kilometers. The sun is located at the focus whose coordinate is (0,0). In January, Earth is located at one of the ...

Forces Within and Deciphering Earth's History
Which of the following time spans represent the greatest length of time? A. Era B. Eon C. Period D. Epoch my answer is b.

Earth Science
does anyone have the answer guide to "Sculturing Earth's Surface Unit Test" in connexus. Earth Science Foundations A Unit 4: Sculpturing Earth's Surface Lesson 13: Unit test

ELA
100% - The Story of a Patriot Upton Sinclair 1 A young man is walking down the street, quite casually, with an empty mind and no set purpose; he comes to a crossing, and for no reason that he could tell he takes the right hand turn instead of the left; and so it happens that ...

Sculpturing Earth's Surface
Why is abrasion not capable of creating things like balanced rock atop narrow pedestals? A. It is not strong enough. B. This type of wind erosion would not cause that kind of pedestal. C. It does, in fact, cause these types of features. D. It seldom happens more than a meter ...

Sculpturing Earth's Surface
What is the source of almost all ground water? A. The ocean B. Human activity C. Rainwater soaking into the ground D. Absorption from rivers My answer is d.

physics
help me please? I'm lost... A small space probe is put into circular orbit about a newly discovered moon of Saturn. The moon's radius is known to be 550km. If the probe orbits at a height of 1500km above the moon's surface and takes 2.0 earth days to make one orbit, determine ...

physics
help me please? I'm lost... A small space probe is put into circular orbit about a newly discovered moon of Saturn. The moon's radius is known to be 550km. If the probe orbits at a height of 1500km above the moon's surface and takes 2.0 earth days to make one orbit, determine ...

science
1. Under which of the following conditions would a fossil most likely form? (1point) a. A living thing dies and sediment is very slowly deposited on top of i’s body. b. A living thing dies and sediment quickly covers its body. <- c. A living thing dies and its skeleton is...

Calculus
Assuming the population of the earth changes at a rate proportional to the current population further, it is estimated that at time t=0, the earth's population was 600 million, at t=300, it's population was 2.8 billion. find an expression giving the population of the earth at ...

Calculus
assuming the population of the earth changes at a rate proportional to the current population further, it is estimated that at time t=0, the earth's population was 600 million, at t=300, it's population was 2.8 billion. find an expression giving the population of the earth at ...

physics
ly = light years Stars P and Q have the same luminosity, but P is 30 ly from Earth and Q is 40 ly from Earth. What is the ratio of their brightness as viewed from Earth?

physics
Star A is four times as far away as star B, but they have the same luminosity. Which appears brighter from Earth. and by how much?

algebra
please help me with this I need to graph y=|x-3|-2 and describe the translations. translations are when you change it, I know that but how on earth do you graph something like this? please help thank you so much!

Science
1. Under which of the following conditions would a fossil most likely form? (1point) a. A living thing dies and sediment is very slowly deposited on top of i’s body. b. A living thing dies and sediment quickly covers its body. <- c. A living thing dies and its skeleton is...

History
Which describe major achievements of Ferdinand Magellan’s exploration efforts? (Select all that apply.) Magellan proved the earth was round and could be sailed. Magellan proved the earth was much larger than expected. Magellan discovered the Incan Empire in Peru. Magellan ...

physics
the earth and moon has same type of and equal magnitude of charges to balance the gravitational force between earth and moon the required magnitude of charge will be

Literature
Choose the meaning of the bold word for questions 1–4. 1. He had left school in junior high, "ostensibly" because his mother was ill. (“Delfino II: Diez in the Desert") (1 point) oddly surely fortunately supposedly * 2. And I throbbed with a burning desire / To travel this...

physics
Calculate the escape velocity on surface of earth of radius of moon is 1740km and Massis7.4 *10to the power 22

Science
The sun's light travels ninty-three million miles to reach the Earth. A. CONVECTION B. RADIATION C. CONDUCTION

Physics
An astronaut on earth has a weight of 850 N calculate his weight on the moon where the gravity is 5 times less

Science
1. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.stars would be * 3 points Captionless Image A Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K, and is red. * B ...

Math (unit rates)
Every 24 hours, Earth makes a full rotation around its axis. Earth's speed of rotation at the equator is 1,670 km per hour. What is the circumference of Earth's equator?

Sciences
Will al earth’s resources last forever?

English
Need help with some questions! A silent killer is spreading poison across the earth. Rain, polluted by the grass given off by factories and motor vehicles, is becoming highly acidic. This "acid rain" is slowly destroying our environment. Acid rain has already damaged millions ...

physics
A 2.63 kg ball is dropped from the roof of a building 180.6 m high. While the ball is falling to Earth, a horizontal wind exerts a constant force of 13.0 N on the ball. How long does it take to hit the ground? The acceleration of gravity is 9.81 m/s2 . How far from the ...

Physics
Taking the age of Earth to be about 4 ✕ 109 years and assuming its orbital radius of 1.5 ✕ 1011 m has not changed and is circular, calculate the approximate total distance Earth has traveled since its birth (in a frame of reference stationary with respect to the Sun).

Physics
Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the moment of birth. The only known force a planet exerts on earth is gravitational. (a) Calculate the gravitational force exerted on a 4.00 kg baby by a 90 kg father 0.200 m away at...

Biology
Is this the correct order for what appears on earth first? Fish, Amphibians, Reptiles, Dinosaurs, Birds.

Astronomy
Hey There! Thank you for checking my question! ____ 8. The stars do not appear in the same place every night due to Earth’s (1 point) a) solar day. b) orbital motion around the sun. c) right ascension. d) seasonal change. My Answer: B Could someone please check my answer? ...

ELA (English)
And yet, Linenger recovered quickly. in fact, almost two dozen astronauts have lived in space for more than six months, and four have stayed in orbit for more than a year. These men and women faced the discomfort of weightlessness and overcame them and they all readapted to ...

6th math
Every 24 hours, Earth makes a full rotation around its axis. Earth's speed of rotation at the equator is 1,670 km per hour. What is the circumference of Earth's equator?

Physics
A tetherball apparatus consists of a ball attached to a 2.10 m rope that is attached in turn to the top of a 3.10 m tall pole. The ball is struck such that it moves horizontally around the pole. Immediately after the ball is struck, it moves at 5.57 m/s, and experiences a ...

6th math
Light travels at 186,000 miles per second. Light takes about 11⁄3 seconds to travel from the earth to the moon. Calculate the distance between the earth and the moon based on the speed of light. ???

Math/calculus
Earth orbits the sun at an average distance of about 150 million kilometres every 365.2564 mean solar days, or one sidereal year. What is the linear velocity of th3 Earth in kilometres per hour?

SOC 302
According to the authors, why did the Administration under George H. W. Bush oppose the Rio Earth Summit environmental treaty? A:Belief that provisions to slow global warming should be modified and weakened

Science HELP
Although the Amazon Basin receives more than 80 inches of rain per year, South America also has the driest place on Earth, known as A. Death Valley. B. Gobi Desert. C. Atacama Desert. D. the Caribbean.

science
Why are the coldest temperatures at the 50 km height from the surface of the Earth, occur generally at tropical tropopause?

physics please help
What is the angular momentum of the Moon in its orbit around Earth in kg m2/s? I do not have any information about the moon, so I looked it up, but I got the question wrong so I don't know what values I should be using...I got 5.7 * 10^35. Thank you!

Geography
The most accurate way to show Earth's continents and bodies of water is with a(an)? 1) Mercator projection 2) globe 3) Robinson projection 4) equal-area map I think #3

History
Which accurately describes ideological differences between Catholicism and humanism during the Renaissance? a. The Catholic Church controlled education, whereas humanism supported private or state-supported education. b. The Catholic Church supported teaching literacy to the ...

Social Studies
Which of the following is a characteristic of Earth's first people? A. They lived in cold places B. They lives far from water sources C. They lived on the Asian continent D. They moved around in search of food** How do people in northern Chad adapt to the lack of arable land ...

Science
Which of the following explains why water is limited resource 1:water is present on earth in a fixed amount that does not change 2:water is degrading slowly with time 3:only water not present in oceans is available for living things to use 4:once it ends up as groundwater ...

Science
1. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.stars would be * 3 points Captionless Image A Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K, and is red. B Barnard’s...

Science
1. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.stars would be * 3 points Captionless Image A Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K, and is red. B Barnard’s...

English
1. The earth moves round the sun. 2. The Earth moves round the sun. 3. Earth moves round the sun. 4. The earth moves round the Sun. [Which ones are okay? Do we have to use 'the' in #2 or #3? What about #4? "the Sun?"]

English
1. Students on Earth may also play soccer with students who live on Mars. 2. The students on Earth may also play soccer with the students who live on Mars. [Are both okay? Do they have the same meaning? Does 'the students on Earth' mean 'all the students on Earth'? Does 'the ...

Physics
If you take a boat from earth and put it on a planet with twice earth's gravity, what would happen if you tried to float it in water?

History
Which accurately describes Galileo's impact on science during the Scientific Revolution? galileo used a telescope to discover moons revolving around Jupiter and craters on earth moon galileo invented the compound microscope which improves magnification compared to older ...

History
Which accurately describes Newton’s Laws? newton defined the three laws of motion that govern planetary bodies and objects on earth newton defined three laws of thermodynamics that predict the conservation of energy newton defined the laws relatively that govern space and ...

History
Read the sentence. Nicholas Copernicus is best known for publishing works on his deathbed that discussed __________. Which most accurately completes the sentence? heliocentric theory and planetary orbits, including the orbit of the earth moon string theory, which is ...

Physics
Can someone tell me what the mass of mars is compared to the earth? Mars mass is 6.39 × 10^23 and Earth mass is 5.972 × 10^24 thanks. :3

Science Help Please
8. Which of these correctly compares the masses of different objects in the universe? A moon has less mass than a star and more mass than the planet it orbits. B A planet has less mass than a galaxy and more mass than the star it orbits. C A galaxy has less mass than a moon ...

Force, Gravity, Resultant Force, Vectors
Can someone just have a quick look over this question and my current answers and tell me if there are any massive mistakes im making. I feel confident with what ive done but just need a little boost. Question: An asteroid of mass m =7 .5×10^12 kg has two rocket thrusters ...

English
Which of the following is a simple sentence? A. Many are called, but few are chosen B. A penny saved is a penny earned C. Fools rush in where angels fear to tread D. If at first you don’t succeed, try, try again 2. Which of the following is a compound sentence? A. I have not...

physics
mass of planet is half that of earth and radius of planet is one fourth that of earth if we plan to send an artificial satellite from planet the escape velocity will be in km/s

English
1. The sun goes around the earth. 2. The Sun goes around the Earth. [Do we have to capitalize 'sun' and 'earth'? Which one is commonly used?]

Language Arts
1.the decorations were reminiscent of autumn leaves.. -leftovers. -made. -reminders. -symbolic. 2.No buildings still stood at the epicenter.. -government hq. -most important area of the city. -highest ground,usually on a mountain. - point on earth directly above an earthquake...

science
Why does Earth get more energy from the sun than from all the other stars in the universe combined? BTS ARMY

science
Why are the oldest rocks on earth on continental crusts?

physics
A student with mass 50 kg jumps off a high diving board.Using 6.0×1024 kg for the mass of the earth, what is the acceleration of the earth toward her as she accelerates toward the earth with an acceleration of 9.8 m/s2 ? Assume that the net force on the earth is the force of ...

History
Which accurately describes Bartolomeu Dias’s impact on future European explorers? europeans learned about the Inca empire of Peru and the city of Machu Picchu European realized they could establish their own trade route to India by sea travel europeans learned the Bahama ...

earth science
which of the following is NOT a major component of soil a)mineral matter b)air c)humus d)earth worms 2) a soils texture is determined by a) mineral composition B)type of humans c)water content d)particle size 3)the main source of organic matter in soil is a)water b)plants*** c...

6th Grade Science check please
Why can certain stars sometimes be identified as eclipsing binary stars? A-brighter than any single star B-are all white dwarfs C-become dimmer at regular intervals*** D-cool red stars I'm pretty sure I have the answers correct but would like someone to check so I'm sure. This...

Maths, Physics, Resultant force
Hi all, I have been given component x- and y- for F1=(8.0*10^7N,7.0*10^7N) F2=(4.0*10^7N,-2.0*10^7N) for an object. Which following my textbooks have found the following vector components: F1+F2=(1.2*10^8N,5.0*10^7N) Now I want to find the distance from earth that this object ...

college math
the half life of Uranium -238 is 4.5 billion years and the age of earth is 4.5 X 109 years. What fraction of Uranium-238 that was present when earth was formed still remains?

Earth Science
What would be the strongest gravitational force if an astronaut is between Earth and the Moon?

Maths, Physics, Resultant force
Hi all, I have been given component x- and y- for F1=(8.0*10^7N,7.0*10^7N) F2=(4.0*10^7N,-2.0*10^7N) for an object. Which following my textbooks have found the following vector components: F1+F2=(1.2*10^8N,5.0*10^7N) Now I want to find the distance from earth that this object ...

Physics
Supposed a skydiver ( mass=75kg ) is falling toward the earth. When the skydiver is 100m above the earth he is moving at 60m/s. At this point calculate the skydiver: Gravitational potential energy Kinetic energy Total mechanical energy

science
the apparent magnitude of star is how bright they look to us we are on the earth looking up into space which would look brighter Small star Big star I think that is the big star thank you in advance

English
Multiple Choice Choose the meaning of the bold word in each passage. 1. The MAGNITUDE of the disaster is hard to imagine. (1 point) size*** pain debris effect 2. The EPICENTER of the 9.0 magnitude quake was under the Indian Ocean near the west coast of the Indonesian island of...

Language Arts
Multiple Choice Choose the meaning of the bold word in each passage. 1. The MAGNITUDE of the disaster is hard to imagine. (1 point) size pain debris effect 2. The EPICENTER of the 9.0 magnitude quake was under the Indian Ocean near the west coast of the Indonesian island of ...

History
Which option accurately describes the impact of a scientific innovation during the Renaissance? Gutenberg's printing press greatly improved the flow of information and led to a rise in literacy gunpowder was invented in China and used during the Tang dynasty to fight the ...

earth science
products that conserves resources portfolio

science
Why does the Earth get more energy from the Sun compared to any other star? •The Sun is much closer to Earth. The next closest star is 4.2 light years away. **** • The Sun is much denser than other stars. That means it produces more energy. • The Sun is much hotter than ...

Math
an object’s weight on a planet is directly proportional to the mass of that planet and inversely proportional to the square of the radius of the planet. jupiter is 318 times as massive as Earth and has a radius 11 times as large as that of Earth. if Gordon weighs 100 pounds ...

Maths
A body rises vertically from the earth according to the law s = 64t – 16t2. If it has lost k times its velocity in its 48 ft rise, then k = A)1 B) 1/2 C) 1/3 D)1/9

Science-Chemistry
How would I figure out how far the distance in kilometers between the sun and earth be if it takes 8.3 minutes for light to travel?

Chemistry
How would I figure out how far the distance in kilometers between the sun and earth be if it takes 8.3 minutes for light to travel? (Light travels at 3.00 x 10^8)

Ela and this is my last question
At the Earth’s Core Edgar Rice Burroughs 1 “Let’s have a look beyond that door, David,” he cried. 2 Together we stepped out to stand in silent contemplation of a landscape at once weird and beautiful. Before us a low and level shore stretched down to a silent sea. As ...

ELA
100% - The Story of a Patriot Upton Sinclair 1 A young man is walking down the street, quite casually, with an empty mind and no set purpose; he comes to a crossing, and for no reason that he could tell he takes the right hand turn instead of the left; and so it happens that ...

science
Special telescopes, such as the Chandra x-ray Telescope, help astronomers see different kinds of electromagnetic radiation besides visible light. Why is this helpful? • X-rays give off a spectrum of light that tell astronomers what elements make up individual stars. • X-...

Science
A body rises vertically from the earth according to the law s = 64t – 16t2. If it has lost k times its velocity in its 48 ft rise, then k =

Maths
A body rises vertically from the earth according to the law s = 64t – 16t2. If it has lost k times its velocity in its 48 ft rise, then k =

science
Special telescopes, such as the Chandra x-ray Telescope, help astronomers see different kinds of electromagnetic radiation besides visible light. Why is this helpful? • X-rays give off a spectrum of light that tell astronomers what elements make up individual stars. • X-...

science
Special telescopes, such as the Chandra x-ray Telescope, help astronomers see different kinds of electromagnetic radiation besides visible light. Why is this helpful? • X-rays give off a spectrum of light that tell astronomers what elements make up individual stars. • X-...

Science
1, How does sea-floor spreading occur? A, New materials are being added to the asthenosphere. B, Earthquakes break apart the ocean floor. C, Sediments accumulate at the area of spreading. D, Molten material beneath Earth's crust rises to the surface. •• 2, Which features ...

earth science
What are the long-term effects of banning plastic bags, and who is impacted by this issue or problem?

science
Special telescopes, such as the Chandra X-ray Telescope, help astronomers see different kinds of electromagnetic radiation besides visible light. Why is this helpful? • X-Rays give off a spectrum of light that tell astronomers what elements make up individual stars. *** • ...

science
GHOST's are on the earth (yes& no)?

science
Special telescopes, such as the Chandra X-ray Telescope, help astronomers see different kinds of electromagnetic radiation besides visible light. Why is this helpful? • X-Rays give off a spectrum of light that tell astronomers what elements make up individual stars. *** • ...

science
Special telescopes, such as the Chandra X-ray Telescope, help astronomers see different kinds of electromagnetic radiation besides visible light. Why is this helpful? • X-Rays give off a spectrum of light that tell astronomers what elements make up individual stars. *** • ...

English
The Catholic Church condemned Galileo because in his teachings earth and humans were not the center of all things. Identify random nouns Identify subjects Identify adjectives Thanks. (is Catholic an adjective)?

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Homework Help: Science