Sand or gravel that naturally forms near the Earth's surface is known as aggregate. Option "A" is the correct option among all the options given in the question. Practically aggregate has several type of meanings. In respect to the question given the meaning of aggregate is the combination of several items that are together known as aggregate.
Answer:
sensillamente la contaminacion del medio ambiente se presenta por el humano o desastres naturales, la contaminacion es: cuando el medio ambiente esta siendo afectado por alguna razon como el humo de una fabrica o deforestacion lo cual causa la extincion de muchos animales.
Explanation:
I did some research, and I found this: "<span>Since 1953, US started using </span>female<span> names. The practice came to an end in 1979 when the US Natural Weather Service and the World Meteorological Organisation developed a systematic way of naming </span>cyclones<span> in the beginning of the year, alternating male and </span>female<span> names, arranged in an alphabetical order."
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~{Dunsforhands}</span>