Answer:
Oxygen burns the food within their bodies and releases energy for various activities and thus it helps animal to be alive. to use it in respiration. Animals need oxygen (O) to survive. In fact, all organisms need oxygen to complete the process to burning glucose for fuel.
Explanation:
If adenine and thymine are complimentary pairs, and we're finding how many thymine there should be in the case that there are 36 adenine bases, there would be 36 thymine bases.
Answer:
The composition of the stars
Explanation:
Answer:
It's the leaf, or it is called chloroplasts.
Explanation: