Question 1) Photesphere
Question 2) core
Question 3) The suns gravity keeps them in place
Question 4) True
I'm not 100% about question 1 it's either photesphere or core, but I think Photesphere is correct
The correct answer is b each with two new strands
To keep the body's internal environment in balance c) to make room for nutrients coming in d) to reduce unpleasant
The answer would be tertial consumers