Which statements describe the movement of blood through the heart? check all that apply.

blood from the veins enters the ventricles.

atria and ventricles contract at the same time.

atria push blood into the ventricles.

valves allow for two-way blood flow.

ventricles push blood out of the heart.

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

Brainliest ! which would require more force to move or slow down between a bowling ball and a soccer ball? explain why?

An alaskan spruce forest will burn easily once burned the forest regenerates fairly wuickly which statement best describes haw an alaskan spruce forest reacts to fire? it is resilient