I don't know the real answer because you didn't attach the choices, but Adenine (A) is always paired with Thymine(T) and Guanine (G) is always paired with Cytosine (C).
I think it is D. You experience increase in breathing rate to obtain more oxygen which is delivered to cells through the bloodstream
C. If an is added to the water in a vase of daffodils, then the flowers' wilting time will not change because aspirin has no effect on the wilting time of daffodils.
This is the correct answer
The sun evaporates the water from ponds, oceans...etc. There the water turns into water vapor, a gas. Then it participates from the cloud and restarts all over again.
Nitrogen released from dead matter goes into soil, helping/feeding the plants, who in turn give us oxygen
