Answer:
B
Explanation: First degree only makes the skin turn red
A biochemical cycle that is well know to everyone is the water cylce
Answer:
Ostia are tiny pores present all over the body of sponges. its function is to let the water, along with desire nutrient flows interior of the sponges.
Answer:
The skeletal system and the muscular system
Explanation:
our organs and provides fatme to help the body keep its shape .It also stores important substance such as WBCs to give it strength.
