Most of the carbon now present in the earth’s
atmosphere will eventually end up in what two
reservoirs?
a. plants and animals
b. plants and decomposers
c. plants and soil
d. plants and oceans
e. plants and fossil fuels
Answer: d
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An asteroid impact on Earth is often associated with the formation of ____
a. large floods b. erupting volcanoes c. magnetized rock d. fossils e. shocked quartz
You are observing a population of lizards when you notice that the number of adults has increased and is higher than previously observed. One explanation for such an observation would include
A) reduction in death rate. B) increased immigration. C) increased emigration. D) decreased emigration. E) increased birth rate.
ATP is composed of a nitrogenous base, a sugar, and
A.) one phosphate group. B.) two phosphate groups. C.) three phosphate groups. D.) four phosphate groups.
According to NFPA, rehab should be required after a fire fighter has consumed ____ 30-minute SCBA bottle(s).
a. 4 b. 1 c. 2 d. 3