They are electromagnetic waves because mechanical waves have to be physically created by something, while electromagnetic waves are just emitted without any effort or force.
Answer:
the arrival of a large number of people.
Explanation:
nice pfp its cute
B. Oil, water can be renewed but oil cannot
Maritime Tropical is the air mass that is normally associated with the formation of hurricanes.
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<em>Gravity has the same role as it does in any solar system it keeps the planets in order</em>
