Mars is named for the Roman god of war, presumably because of its distinct ________ color when seen in the sky.
A. blue
B. yellow
C. violet
D. red
E. green
Answer: D
Environmental & Atmospheric Sciences
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Which one of the following materials is a mineral?
a) Snowflakes b) Brick c) Gasoline d) Acorn (this is the seed of an oak tree) e) Chocolate
Environmental & Atmospheric Sciences
A rock that is 20 million years old comes from the ________ Period
A) Miocene B) Paleogene C) Tertiary D) Paleocene
Environmental & Atmospheric Sciences
List water challenges that your state, county, or city are facing, or will
probably face in the near future. What will be an ideal response?
Environmental & Atmospheric Sciences
Nitrogen ( ) is
A) a key component of life, integrated into our bodies directly from the air. B) cycled through the environment via the activity of bacteria. C) a product of the radioactive decay of a form of potassium in the crust. D) now measured at 20.946% by volume in the homosphere.
Environmental & Atmospheric Sciences