Life and Earth's Crust

Question 1

Which of the following best describes the compositional layers of the earth?a.All layers of the Earth below the crust are liquid.b.The only liquid layer of the earth is the mantle.c.The crust floats on top of the outer core.d.Some layers of the earth are liquid, and some are solid.

Revolt · Accepted Answer

D: D

Question 2

Explain what differentiates the Earth’s crust and lithosphere.

Question 3

The Earth’s crust is principally composed of _______.a.granitic and sedimentary mineralsb.granitic and basaltic mineralsc.basaltic and sedimentary mineralsd.none of the above

Revolt · Accepted Answer

B: B

Question 4

The core of the Earth is mostly composed of _______.a.magnesium and siliconb.aluminum and siliconc.nickel and irond.aluminum and iron

Revolt · Accepted Answer

C: C

Question 5

Explain how fossil fuels found in the Earth’s crust are ultimately the result of biological processes.

Question 6

Explain how ocean ridges and trenches are formed.

Question 7

Explain how biogeochemical cycles and the rock cycle are important for life on Earth.

Question 8

Explain how oceanic crust is continuously created at mid-ocean ridges.

Question 9

Rheology is best described as the study of _______.a.the flow of matterb.the Earth’s crustc.magmad.the Earth’s core

Revolt · Accepted Answer

A: A

Question 10

The continental crust covers _______ of the Earth’s surface.a.40%b.50%c.60%d.70%

Revolt · Accepted Answer

A: A

Life and Earth's Crust Answers

More from this Course

TRY EDGENUITY HACKS