Which of these is a natural factor that affects the environment

AnswerOxygen and Ecological factors or environmental factors.Explanation:

These factors can cause changes to the nature of freshwater, and can also increase the loss or the damage that has been caused by human-made pollution. A broad variety of human activities impact on agriculture, forestation, horticulture, urban development, and mining. Oxygen is not a greenhouse gas that traps the heat, its concentration or the quantity in our atmosphere can affect how much the amount or the intensity of the sunlight reaches the ground, and new models propose that effect has changed the climate in the past.

The anwser is the universe

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