The correct answer is B. pollution.
Answer:
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Answer:Ecological succession is the process that describes how the structure of a biological community (that is, an interacting group of various species in a desert, forest, grassland, marine environment, and so on) changes over time. The structure of this community becomes more complex as new species arrive on the scene.
Explanation:
What's up? i learned this a pretty long time ago so bear with me
all cells: dna, nucleus, ribosome, cytoplasm, cell membrane, (mitochondria??)
1/2: cell wall, vesicles
i think i may be wrong on mitochondria, again i honestly forget this due to the school system kinda failing us
Decomposers also break down the bodies of dead organisms resulting in nitrogen being returned to the soil as ammonia. In some conditions denitrifying bacteria in the soil break down nitrates and return nitrogen to the air.
mark brainliest :)
hope this helped
