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Carbs, lipids (fats), proteins, and nucleic acids.
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Description
An electron cloud is the region of negative charge surrounding an atomic nucleus that is associated with an atomic orbital. It is defined mathematically, describing a region with a high probability of containing electrons.
The biogeochemical cycles shows the movement of materials in nature .
<h3>What is the biogeochemical cycles?</h3>
The biogeochemical cycles shows the movement of materials in nature such as water, carbon and nitrogen.
These cycles are very important to life on the planet and help to sustain diverse ecosystems. The various cycles are shown in the images attached to this answer.
Learn more about biogeochemical cycles:brainly.com/question/1204069
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