Answer:
Polygenic traits are controlled by a number of separate genes.
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An example of ATMOSPHERE affecting the BIOSPHERE. Atmosphere because it is AIR pollution and biosphere because it causes LUNG TISSUE damage.
The phosphorus cycle does not include an atmospheric component because phosphorus does not cycle through the atmosphere. In comparison, important processes of the carbon and nitrogen cycle occur in the atmosphere.
Answer:
what I don't understand what your questoin
B. some substances must be dissolved in water before they can be used
