Which statement best explains why the air pressure is greater at the poles than at the equator? O A. Cold air rises, causing higher air pressure near Earth's surface.
O
B. Cold air sinks, causing higher air pressure near Earth's surface.
O
C. Cold air expands, causing higher air pressure near Earth's surface.
O D. Cold air condenses, causing higher air pressure near Earth's surface.

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn