What is the cycling of nutrients between the ground and living organisms? When nutrients from the ground are taken by living organism and returned when those organisms die and decompose.

1. When fertilizer is added to the soil by humans.

2. When planted deplete the soil of all its nutrients and can no longer grow there.

3. When limited numbers of living organisms are available to weather rock and contribute organic matter.

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the correct answer is sex-linked recessive.

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carbon atoms, hydrogen, oxygen, and nitrogen.

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these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.