Which element accounts for nearly half the mass of the earth's crust?

A) carbon
B) iron
C) oxygen
D) silicon

C

Environmental & Atmospheric Sciences

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The policy of protecting domestic infant industries is called ________

What will be an ideal response?

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_____ is a mixture, not a solution

a. Groundwater b. Air c. Noodle soup d. Coffee with cream e. Seawater

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Environmental & Atmospheric Sciences

A 2010 earthquake in ________ caused hundreds of thousands of deaths

Fill in the blank(s) with correct word

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Environmental & Atmospheric Sciences

A mass of water above base level in a stream has ________ energy; as it flows downstream, this energy becomes ________ energy

A) kinetic; potential B) potential; kinetic C) latent; potential D) kinetic; kinetic E) potential; potential

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Environmental & Atmospheric Sciences