In comparison to liquid water, the density of the ice in hail is:
A) 50% of water.
B) 70% of water.
C) 90% of water.
D) no difference
Answer: C
Environmental & Atmospheric Sciences
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Which of the following rock types requires dissolved gas in the magma?
A. pumice B. granite C. andesite D. gabbro E. diorite
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Which of the following ions can pass through the open channel of the acetylcholine receptor?
A) Ca2+ B) K+ C) both a and b D) neither a nor b
Environmental & Atmospheric Sciences
________ makes up the largest part of the volume of the earth
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences