Answer:
d. It is where an artery breaks into two sets of capillaries before returning to the heart.
Explanation:
A Portal System is where an artery breaks into two sets of capillaries before returning to the heart.
Answer:
DNA polymerase
Explanation:
I learned about this before and I believe that this is the answer.
C because the arrows are pointing away from them (brainless??)
Three factors that affect the biodiversity in an ecosystem
include area, diversity of niches, and climate. Keystone species
also have a large effect.
Answer:
Be prepared to think before you speak, say what you mean, stand behind your statements and be responsible for them.
Explanation:
Two great techniques for learning to think before you speak are to find your internal 'pause' button, and to use the THINK acronym. hope this helps you :)
