I think b.only select generation are effective...
Answer:
a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
C i think . Hope this helps
Answer:
They are both used for energy
Answer:
antero-posterior
Explanation:
the axis that determines the body pattern from the nose to the tip of the tail