By encouraging boaters to carefully clen, drain and dry their boats before launching them in different bodies of water
Answer:
The French clashed with the British in claiming the Mississippi river basins with the Ohio valley as a part of the French territory, claiming to have occupied it during the explorations headed by Rene- Robert Cavelier. This led to the outbreak of a conflict that lasted for about nine years.
The United States is a constitutional republic.
Republic is a state where some people represent the citizens in the governance: so while the people have the power, they don't exercise is directly.
There are different kinds of theory. The doctrine of preemption stipulates that if a state tries to pass a law that conflicts within an area that has federal legislative jurisdiction it will be found unconstitutional.
<h3>What is the doctrine of preemption?</h3>
The doctrine of preemption is known to be a theory that is based on the Supremacy Clause. This state that the federal law will preempts state law, even though there is conflict arising due to the laws.
By the above, a federal court does need a state to stop some behavior it believes does interferes with, or may be in conflict with federal law.
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brainly.com/question/10270212
It is false that air pollution is only caused by human activity.
Although most of the pollution is indeed caused by us and the machines
we use every day, there are still some occurrences in nature that
contribute to air pollution, where humans take no part.
