The diagram above suggests that A. geologic time periods occur in repeating cycles.
B. the Earth has not changed over geologic time.
c. geologic eras occur in repeating cycles.
D. the Earth has changed over geologic time.

Which of the following is a consequence of urban heat islands? increased precipitation downwind of the city? increased precipitation upwind of the city? decreased winds within the city? increased winds within the city?

Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent

This is so important ugh its 25 points