Answer:
for example. humans and apes. we can compare things like dna and features. to see what makes us different and what makes us similer
I believe the answer is photon
Answer:
they have thin membranes to allow diffusion of substance for short distance
they are numerous to increase the surface area of absorption
hope this helps
Answer:
D. IV -> III -> II -> I
Explanation:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.
B is the correct answer. They can sometimes show an extinction but not always.
