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.
<u>Answer:</u>
The new dictionary which is the dictionary of Macmillan has more than one meaning of certain words. Thus it has an ambiguous meaning which is more than one meaning of the word yes also.
It is also known as the Open dictionary and people might have different views and opinions of the various meanings of a particular word. The publisher of this dictionary is based in London.
The answer to your question is a
A nonrenewable resource<span> is a </span>resource<span> of economic value that cannot be readily replaced by natural means on a level equal to its consumption. Most fossil fuels, such as oil, natural gas and coal are considered </span>nonrenewable resources<span> in that their use is not sustainable because their formation takes billions of years.</span>