What percentage of Earth's water is in the form of seawater?
A) 2.15%
B) 97.2%
C) 0.62%
D) 0.03%
Answer: B
Environmental & Atmospheric Sciences
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The principal technique for finding ocean depth today is ________
Fill in the blank(s) with correct word
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Most of the world's active volcanoes are ____
A)in South America B)randomly distributed C)currently erupting D)in well-defined zones E)the result of hot spot volcanism
Environmental & Atmospheric Sciences
A sample of radium is usually a little warmer than its surroundings because
A) it efficiently absorbs and releases energy from sunlight. B) its atoms are continually being struck by alpha and beta particles. C) it is radioactive. D) it emits alpha and beta particles.
Environmental & Atmospheric Sciences
A nonsteroid hormone acts on a target cell by
What will be an ideal response?
Environmental & Atmospheric Sciences