Answer:
it is b because rest are biotic and also cause it is the only biotic thing available
Explanation:
I know it is right
What will happen to a cell that does not have a cell wall if placed in a (b swell and burst )
Answer:
, the energy in food is converted into energy that can be used by the body's cells.glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.
Explanation:
I think its false because you gain energy over the time you lose and have.
hope it helps
Answer: A
Explanation:
Oxygen makes up another 20 to 21 percent of our atmosphere. It's essential for life on Earth, and interestingly enough, it is poisonous when highly concentrated. Our concentration of 20 to 21 percent seems just right.
