Coral reefs are made of ____

a. volcanic rock
b. gravel-sized marine sediments
c. seaweed
d. limestone skeletons of tiny marine animals


d

Environmental & Atmospheric Sciences

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What is the major contributor to Earth's albedo?

What will be an ideal response?

Environmental & Atmospheric Sciences

____________________ are deep underground sources of freshwater found between the porous geological layers of sand, gravel, or bedrock

Fill in the blanks with correct word

Environmental & Atmospheric Sciences

Delta shape varies depending on current activity, waves, and vegetation.

a. true b. false

Environmental & Atmospheric Sciences

A toy is pulled by three kids. Jim pulls with a force of 30 N north, Jill pulls with a force of 30 N south, and Jay pulls with a force of 15 N east. The acceleration of the toy is

A. 15 m/s2. B. 10 m/s2. C. 33 m/s2. D. need more information

Environmental & Atmospheric Sciences