Which of the following commonly acts as a base in chemical reactions?
A. carboxylic acid
B. amine
C. alcohol
D. ketone
E. hydrocarbon
Answer: B
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The San Andreas Fault, traversing coastal California, forms what type of plate boundary?
A) transform fault B) divergent plate boundary C) subduction zone D) divergent plate boundary and subduction zone E) colliding plate boundary
Which of the following is NOT shown in a population pyramid?
A) a general, graphic indication of the growth rate B) males in the population C) females in the population D) age distribution of the population E) birth and death rates
What is the pH level of the oceans predicted to be by 2050?
a. ?6.75 b. ?6.95 c. ?7.00 d. ?7.95 e. ?8.25
In the immediate vicinity of the equator, a(n) _______________ climate is most common. (two words)
Fill in the blank(s) with correct word