The failure to notice something that is completely visible due to a lack of attention is referred to as inattentional

blindness

Explanation:

The failure to notice something that is completely visible due to a lack of attention is referred to as inattentional blindness.

Inattentional blindness is considered to be the failure of noticing something that is very visible and sudden because the attention was focused on some other tasks.

Scientists have carried out experiments on this phenomenon where participants were asked to look at a screen with different moving objects and had them focus on a certain thing. This explained the validity of this phenomenon.

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 first part is ocean

explanation: