Calcium is few of the main sources for healthy bones, teeth, and muscles.
The answer to this question would be...
B. Thousands
If you go to webpage <span>http://www.shapeoflife.org/2d-animal-cells-have-many-thousands-genes it will give you the same answer if you read through it.
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Membrane proteins can function as enzymes to speed up chemical reactions, act as receptors for specific molecules, or transport materials across the cell membrane. Carbohydrates, or sugars, are sometimes found attached to proteins or lipids on the outside of a cell membrane.
Answer:
Disrupts the nitrogen cycle by contaminating the groundwater and making it more difficult for the plants to absorb the nitrogen and causes the phosphorus cycle to accelerate, resulting in an excess of phosphorus in water and soil.
Explanation:
