The answer is A - stores genetic information I think
I thinking A. or B. but im sure it one of them. that's a 50% chance.
First answer is , as the work of ventricle is to push blood to he whole body , so it has to be strong or it can not pump blood to head to the toe !
as in frog (an amphibian ) it has only three chambers as two artia and one ventricle, so the oxygenated blood from left artia and deoxygenated blood from right , combines and thus partial oxygenated blood is circulated !
I think its D but I'm not sure
Cap and Trade is the equivelent to carbon footprint
