Earth Science

1.At which type of plate boundary do tectonic plates slide past each other?

A. at conservative plate boundaries**

B. at oceanic-oceanic boundaries

C. at convergent boundaries

D. at divergent boundaries

2. Geologist discovered fossils of identical spider mites from the same time period but on opposite sides of the ocean from each other. What conclusion is supported by the discovery of these fossils?

A. The locations of the fossils were once much closer to each other.**

B. The mites were extraordinary swimmers.

C. The climate was much cooler during the time that the mites lived.

D. The locations of the fossils were once vast swamp lands.

3.Geologists discovered that the largest coal deposits were formed around 300 million years ago. How did this observation support the theory of plate tectonics?

A. Around that time, those regions were located on arid plateaus in temperate regions.

B. Around that time, those regions were located near the south pole where coal would likely have formed.

C. Around that time, those regions were located in tropical climates that were partially submerged on the coasts.**

D. Around that time, it is thought that those regions were located along the ridge of a long mountain chain.

4. Where would you be most likely to find the oldest rocks on Earth?

A. in the middle of the oceans

B. in the middle of the continents

C.at the outer edges of oceanic crust

D.in the middle of the highest mountains**

Which of the following provide evidence that South America, Africa, Antarctica, and Australia were once together as one supercontinent? Select the three correct answers.

Fossils of marsupials were originally the same across South America and Australia.

Vast deposits of coal formed in regions with ancient deserts.

Glacial deposits and scratches in the bedrock from an ice sheet match in distant regions.

5. Mountain chains match up where South America collided with Australia to form Pangaea.

A. Icy glaciers covered South America, Africa, Antarctica, and Australia as one supercontinent over the North Pole.**

B. Cratons match across the edges of continents.

C. Glacial deposits and scratches in the bedrock from an ice sheet match in distant regions.**

D.Mountain chains match up where South America collided with Australia to form Pangaea.**

E. Icy glaciers covered South America, Africa, Antarctica, and Australia as one supercontinent over the North Pole.

F. Cratons match across the edges of continents.

6. Why were the fossil remains of Mesosaurus important to Alfred Wegener?

A.They proved that Earth is composed of several rocky tectonic plates.

B. They proved that Mesosaurus is extinct.

C. They suggested that the two continents where they were found could have been joined.**

D. They were the first fossils discovered in Africa and South America.

7. Which best describes paleomagnetism?

A. the study of earthquakes

B. the study of rock formations

C. the study of plate movement

D. the study of ancient magnetic fields

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  1. For question 1

    Plates grinding past each other in opposite directions create faults called transform faults. Powerful earthquakes often strike along these boundaries. The San Andreas Fault is a transform plate boundary that separates the North American Plate from the Pacific Plate.

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  2. Where is Ciel copying all this from? It's plagiarism unless he/she gives the specific source.

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    Writeacher
  3. I have went to google I can't post URL but if you search the first question it is on the first thing to pop up

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  4. I searched it to but it didn't tell me what one it was like it didn't match my options to the question

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  5. So Pika-Chu can google these questions himself/herself -- and Ciel can stop plagiarizing now. Thanks.

    I googled one of Ceil's sentences and used quotation marks to isolate a particular set of words. Here are the search results:
    https://www.google.com/search?q=%22While+the+process+is+volcanic%2C+volcanoes+and+earthquakes+along+oceanic+spreading+ridges%22

    When searching, be sure you're specific and careful about spelling.

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    Writeacher
  6. thank you i can't fail this cause then ill get grounded for a week not get my phone and not go to homecomeing

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  7. Have you read and re-read and studied your assigned text or study materials (in print or online)? You should be able to double-check your answer choices there. You're wasting time continuing to post here.

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    Writeacher
  8. Yea i did and i still couldn't find the answers

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  9. You probably won't find the exact answers. You will need to read and think -- that's why I suggested going back to your assigned reading. THAT'S where you'll find what you need. The test writers are the same people who write the texts!

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    Writeacher
  10. I've trieddddd like i dunno anymore im goign through em again but yea

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  11. Wow really? your a A S s write teacher

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  12. GO TO BRAINLY ITS SOOOOOOOOOOOOOOOOO MUCH BETTER

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