Describe the four layers of the Earth. In a response of at least three sentences, name at least one important quality of each layer.
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by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

can you explain a little further maybe give multiple choice? ?

answer; i want to hold your hand;

answer; make laws;