Yes, studying how mayfly population affects the number of trout in a stream is ecology.
Ecology seeks to unveil how different organism relate with one another as well as their environment.
Ecology is basically the study of distribution,abundance and relation of organisms and their interaction with their environment.
<em>needs is often a door to invention; In the Second World War a series of objects were developed to facilitate either communication or to fix objects that suffered some damage.
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<em>Some of those inventions that took place in the Second World War are:</em>
Walkie Talkie: <em>This invention was carried out in 1940 on behalf of Motorola; its function consisted of a double-track radio, which played a very important role for long-distance communication in the Second World War
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Adhesive tape: <em>During the Second World War the machinery, ammunition and equipment suffered some damage and it is for this reason that the soldiers will need some characteristics resistant to water, strong and flexible to repair said damages, this is why Johnson & Johnson invents the adhesive tape.</em>
I feel that is a useful tool to the president, yes, at Thanksgiving every year at the White House, President Richard Nixon pardoned himself for the water gate scandal.
Answer:
Many of the major Founding Fathers owned numerous slaves, such as George Washington, Thomas Jefferson, and James Madison. Others owned only a few slaves, such as Benjamin Franklin. And still, others married into large slave-owning families, such as Alexander Hamilton.
Explanation: