Greenhouse gasses act to
a. warm the Earth's surface to support life.
b. cool the atmosphere.
c. block out ultraviolet radiation.
d. contribute to acid rain.
e. increase carbon monoxide concentrations.
A
You might also like to view...
Define Evolution
What will be an ideal response?
Which of the following does not represent the correct pairing of the three-letter abbreviation with the one-letter abbreviation of an amino acid?
A) pro-P B) met-M C) glu-E D) phe-F E) arg-A
The term used to describe ringworm of the nail is:
a. Tinea cruris. b. Tinea pedis. c. Tinea capitis. d. Tinea unguium.
Melvin Calvin and his colleagues used which of the following to deduce the steps in the Calvin cycle?
A) negative staining B) Drosophila melanogaster C) electron microscopy D) ultracentrifugation E) radioisotopes