Answer:
Our sun is extremly hot. like our sun, hydrogen is being converted into helium, a process which gives off energy that heats the star
Explanation:
Answer: c
Explanation:
the roots absorb water and minerals from the soil and anchor the plant in the ground.
Answer:
D
Explanation:
How does energy control the loss of water to a hypertonic enviorment to avoid dehydration?
Answer:B.
It was used to prove that smoking causes health problems.
Explanation: