A( can withstand high blood pressure due to the thickness of its and
select one:
a. vein; smooth muscle; elastin
b. vein; smooth muscle; tunica intima
c. artery; smooth muscle; elastin

g1

choices:

a. g2. b. g1. c. m

cell division has two checkpoints namely, g1

checkpoint and spindle assembly checkpoint. the checkpoint which determines if

division has properly occurred is the g1 checkpoint. at this point, is a damage

in the dna is detected or  the has not reach the optimum size, the cell is

stopped in g1 and is not allowed to proceed to further process.

source:

answer; /// i believe that the correct answer is; ///a combination of the birth and death

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )