Answer:
Heterogeneous mixtures are substances not mixed together.
Explanation:
I hope that is right
The answer is:
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"oceanic" .
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Biotic factors include plants, animals, microbes, etc. The important abiotic factors include the amount of sunlight in the ecosystem, the amount of oxygen and nutrients that is dissolved in the water, temperature, etc. Sunlight is one of the most important abiotic factors for marine ecosystems.
Please refer to the definition above
