Fossil fuels, such as coal and oil, are derived from which biogeochemical cycle?

a. The hydrological cycle
b. The phosphorous cycle
c. The carbon cycle
d. The oxygen cycle
e. The nitrogen cycle


c

Biology & Microbiology

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Each °F is (larger, smaller) than each °C.

What will be an ideal response?

Biology & Microbiology

What is not a feature of humans that

differentiates us from apes? a. Bipedalism. b. Precision grip. c. Larger brain. d. Little body hair. e. All of these

Biology & Microbiology

The visual deficit related to a misshapen cornea is ____

a. red-green color blindness b. astigmatism c. hyperopia d. myopia e. cataracts

Biology & Microbiology

What is graft-versus-host disease?

A) Immune system cells in transplanted bone marrow attack the body of its new host. B) Immune system cells of the host attack the newly transplanted bone marrow and reject it. C) It occurs when tissue from an isograft is rejected. D) It occurs when tissue from a xenograft is rejected. E) It occurs when tissue from an allograft is rejected.

Biology & Microbiology