in an experimental investigation the variable that the researcher changes or manipulates in order to see its effects is called the variable

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.

the answer is : the nut cases won't quit battling and their recurrence of flights will going to continue as before despite the fact that the battles are less hazardous now because of their bills have all of a sudden been blunted.   in the falcon dove diversion, two creatures will drive towards one another to crush one another, among the two one will win and other will swerve. in this way, clearly, the battle will be dependably there between two creatures for the assets or mate.