Answer:
B
Explanation:
I think so ................
The answer is B since you have to be able to prove/elaborate on the topic sentence
Answer:
To know about something briefly is called knowledge
The conversion of light energy into chemical energy. (use of energy)
Oxygen and carbon dioxide is exchanged by the millions of alveoli in the lungs and the capillaries that envelop them. we inhale oxygen (which is then exchanged with carbon dioxide in the lungs) and then we exhale the carbon dioxide. although, the air that we breathe usually consists more nitrogen than oxygen.