Answer:
A.
Explanation:
It is A because the diagram for choice A shows correctly how cellular respiration produces energy and releases carbon dioxide and water as byproducts(CO2). And it also shows how photosynthesis release or produces oxygen gas (O2)
Harmful because they change how the genes are supposed to form and they can give disorders at times.
Answer:
C. meteorology
Explanation:
meteorology is the scientific study of the atmosphere that focuses on weather processes forecasting, and climate.
They classify on how they reproduce.