Purines; like adenine and guanine.
The chemical process by which complex molecules of protein are made from simple molecules is called Respiration
First box is where the Sun's energy is produced. The second box is hot gases move up and cool gases sink down. Then Region of the Sun that is visible from Earth. Last is appears as a red ring around the Sun right before and after the peak of a total solar eclipse. I hope this helps!
Answer:
d. all of the above
Explanation:
all the above answers are correct about Science
