Answer ALL of the following questions with at least 1 to 2 paragraphs for each. You need to make sure to use complete sentences, includiing information from the three mediums we have been using from Dr. Martin Luther King Jr. (written speech, audio and video) Cite evidence from the mediums we have used, your own experience, and other literature, art, or history in your answer. 1. How has America changed over time? 2. How did America's treatment of African Americans change through history and how has it changed since this Speech was delivered in 19637 3. What additional change is Martin Luther King Jr. demanding in his speech? (any evidence may be used from Martin Luther's "I have a dream speech")​

Godofredo Monceda

Explanation:

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according to hess's theory, when the magma cooled, it would expand and push the tectonic plates apart. it would push the north and south america plates to the west and eurasia and africa ones to the east. the atlantic ocean would get wider but the coastlines of the masses would stay the same.

harry hammond hess was a geologist and a united states navy officer in the second world war. he is considered to be one of the founding fathers of the theory of plate tectonics. he is known for his theories on sea floor spreading, stating that the movement of the continents was the result of see floor spreading. the continents are attached to the plates and do not move separately. the plates themselves shift and change shape, carrying the continents along.