In a cell that is undergoing mitosis, what first happens to the chromosomes after the nuclear envelope breaks down?

a. they replicate to make a new copy of  dna  .

b. they line up at the equator of the cell.

c. they pair up as homologous chromosomes.

d. they are moved to either pole of the cell.

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%

The more rapidly sedimentation occurs, the more likely it is that the remains will successfully form a fossil. as sedimentation continues, what happens to the amount of weight settling onto the organism? stays the same increases decreases cuts in half