Multiple Choice
The biogeochemical cycles are considered to have been in a planetwide steady-state condition for the last ________ billion years.
A) ten
B) one thousand
C) one million
D) one billion
E) one trillion
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q142: "Exotic" species are those that live in
Q143: Which of the following terms is the
Q144: Plants are eaten by _.<br>A) herbivores<br>B) the
Q145: The study of living organisms is more
Q146: _ is a tree which scatters its
Q148: Animals which eat plants are also known
Q149: The main source of free nitrogen is
Q150: Geographers are keen users of the Linnaean
Q151: Biomagnification is most closely associated with _.<br>A)
Q152: The end product(s) of photosynthesis is (are)