The oldest oceanic crust is somewhat less than ___________ years old. What will be an ideal response?


180 million

Environmental & Atmospheric Sciences

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One of the advantages of solar power over the use of fossil fuels is that solar power ________

A) can work equally well anywhere in the world B) generates electricity every hour of the day C) is sustainable D) uses less expensive technology

Environmental & Atmospheric Sciences

____________________ and ____________________ are mineral compounds that are commonly

produced by animals and are known as calcium ____________________. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

Explain how a laccolith is similar to a sill. What will be an ideal response?

Environmental & Atmospheric Sciences

Water molecules exhibit strong cohesion.

a. true b. false

Environmental & Atmospheric Sciences