B. Soil Contamination
All the other answers are talking about clean and pure things while this answer is the only negative one. So B is your answer.
The energy from sunlight comes in the form of photons, and this energy is used in the light dependent reactions of photosynthesis. The first function carried out by the photons in energizing electrons in the chlorophyll. The energized electron travels through the electron transport chain and subsequent steps are carried out to utilize this energy to form ATP.
Communities exist within populations which exist within ecosystems is the false statement and is denoted as option B.
<h3>What is a Population?</h3>
This refers to the number of people who are present in an area within a given period of time.
Populations are within a community and communities are found within ecosystems which is why option B was chosen.
Read more about Population here brainly.com/question/25630111
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Answer:
B-Kreb’s Cycle
Explanation:
Krebs Cycle involves anaerobic digestion which would increase methane in cow manure.
The best answer to fill in the blank would be A).
