Which statement best illustrates a biotic or an abiotic factor that is often found in a city park?
decaying leaves are an abiotic factor because they are not living.
rocks are an abiotic factor because they have never been alive.
water in ponds is a biotic factor, because it provides a habitat for living things.
oxygen is a biotic factor, because it is required for life and found in all living things.

The answer is B.

Explanation: Rocks are an abiotic factor because they have never been alive. Abiotic factors are the sun, rocks, water, and sand.

Option (2)

Explanation:

Biotic factors are those that contain life, whereas abiotic factors are those that do not possess any life. Some examples of biotic factors are plants, animals, and micro-organisms. Abiotic factors include wind, water, temperature, and rocks.

Rocks are the aggregates of minerals and they have been present on earth since the time of formation of earth and they have no life. So they are considered to be abiotic factors.

Water and Oxygen are the essential components on earth and they are both abiotic factors. And decaying leaves are not completely decayed so they can be considered to be biotic as there will be some presence of life. A completely decayed leave is considered to be abiotic.

Thus, the correct answer is option (2) i.e the rocks that are abiotic factor.

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