Based on the passage, which of the following is correct?
a
there is only one polar zone on earth.
b
the sun reaches all areas of earth equally.
c
the polar zone extends to the tropic of capricorn.
d
the northern temperate zone extends from 60° to 23.5° north of the equator.

How is anaerobic respiration affected by changes in temperature? (5 points)based on the conditions of early earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at earth’s beginning? explain your answer.(5 points)if there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. explain your answer. (5 points)