Nitrogen is one of the primary nutrients critical for the survival of all living organisms. Although nitrogen is very abundant in the atmosphere, it is largely inaccessible in this form to most ...
These interrelated effects highlight the complexity of human-induced changes in the water cycle. Nie and her colleagues emphasize that these shifts have far-reaching implications for water management.
Several hormones control this cycle - for example, they are involved in controlling the release of an egg each month from an ovary, and changing the thickness of the uterus lining.
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