Answer:
A . This is a positive feedback mechanism in which it is observed that the snowball increases in size with the bearing, thus the movement reinforces the size of the ball.
B .This is a negative feedback mechanism in which over time it is evident that iron levels in the body drop.
C . This is a negative feedback mechanism in which if more work is done at night the score will be decreased
D .This is also a negative feedback mechanism because when thyroid hormone levels drop, the hormone continues to decrease on its own.
E .This is a positive feedback mechanism in which sodium is observed as it passes through the cell membrane, making the process more active and causing more sodium to enter the cell.
Answer:
a or b I'm sorry but I know it's not c
The answer would be chromosomes
Without the proper balance of water, chemical reactions in cells could not take place
hoped this helped
Mikasa kills eren and Levi gets his legs broken and a scar on his eye and Sasha dies to a kid