The distinction between the crust and the mantle is primarily on the basis of a difference in ; the distinction between the lithosphere and the asthenosphere is primarily on the basis of a difference in

Which of the following is evidence to the past existence of glaciers?

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

What types of details should a draft of a research based essay contain? check all that apply-paraphrased information-information from questionable sources-facts that relate to the topic-quotations that illustrate ideas to convey-plagiarized information