0.117 mol of a particular substance weighs 21.9 g. What is the molar mass of this substance?
A) 187 g
B) 187 amu
C) 0.00534 g
D) 0.00534 amu
A
Environmental & Atmospheric Sciences
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Over time, Earth’s rotation rate has slightly increased
a. True b. False
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Which of the following best characterizes the function of introns?
A) They serve only as spacers. B) They serve only as enzymes to properly splice exons. C) They are most frequently spacers and rarely function as splicing enzymes. D) they are most frequently splicing enzymes and rarely function as spacers.
Environmental & Atmospheric Sciences
Where is the highest rate of heat flow escaping the Earth's interior?
A) At mid-ocean ridges B) At subduction zones C) At volcanoes D) At mountain ranges
Environmental & Atmospheric Sciences
All of the following are terrestrial planets except
A. Jupiter. B. Earth. C. Mars. D. Mercury.
Environmental & Atmospheric Sciences