Answer:
Oxygen is definitely one of them, but I'm not completely sure about any of the others. If I had to guess it may be glucose
Your answer is a: how DNA is formed.
Answer:
Because butterfly helps in asexual reproduction in plants and nutrition for butterfly
Explanation:
Answer:
I believe the answer is a, hypertonic!
Explanation:
A red blood cell is in a hypotonic solutions which have more water than a cell.
:) hope this helps