Mutagens directly change molecules of
a. water
b. carbohydrate
c. DNA
d. fat
e. RNA
C
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The United States did not ratify the Kyoto Protocol because no other industrialized country in the world supported it
Indicate whether the statement is true or false
While sitting outside at a picnic, you and your family start discussing how hot it is outside and plan to take a dip in the lake to cool off. What type of heat have you experienced in order to make this statement?
A) kinetic heat B) sensible heat C) latent heat D) potential heat
The subtropical high pressure regions are centered on approximately ____ degrees north and south latitude
a. 5 b. 30 c. 45 d. 60
Which of the following occurs when water is added to low molecular weight anhydrides?
A) The anhydride physically absorbs the water, but no chemical reaction occurs. B) The anhydride reacts slowly to produce two molecules of carboxylic acid. C) The anhydride reacts readily to produce two molecules of carboxylic acid. D) What happens is highly dependent on the identity of the anhydride.