Answer:
When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water. Bacteria alter the nitrogen into a form that plants are able to use. Other types of bacteria are able to change nitrogen dissolved in waterways into a form that allows it to return to the atmosphere.
Explanation:
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Well if the question just says river and lakes contain. The answer could be wildlife.
The ancient library of Alexandria was part of an institution of higher learning known as the Alexandrian Museum. The library was intended as a resource for the scholars who did research at the Museum.
Answer:
Drilling
Explanation:
Drilling and marching were part of the daily activities of soldiers during the Civil War, as well as part of their training. Soldiers used to practice their formations and tactics during training sessions.