Answer:
D
explain: The Move from high concentration to low competition. Until the concentration is equal . Diffusion expand needs no energy
Both use Oxygen and produce Carbon Dioxide
B. I think, because they are both mechanical. Don't quote me on that <span />
Answer:
Veinules
Explanation:
Veinules are smaller veins blood vessels that carries deoxygenated or poorly oxygenated blood from the tissues back to the heart except pulmonary veins and umblical veins
After the blood move from the capillaries, it enter smallest veins called veinules and then continually flows into the larger veins till it get to the heart.
The nucleotides are bonded together via hydrogen bonds making it easy for the dna to be split in half and replicated
