He underestimated the circumference of the world and he did not realize that there was something between Asia and Western Europe.
It means that it's a porous material.
New crust forms AT OCEAN RIDGES. The correct option is D.
Middle ocean ridges are the boundary that occur between tectonic plates and they are the locations where the plates move away from each other. At the edges of the ridges, magma from the underneath mantle erupts, cools and become solidified, thus forming new ocean crust.
<span>The number of sellers of a specific good in a given market can affect all of the following except the consumption of the good. The sellers are the suppliers and the consumers are the ones who buy from these numerous sellers. Therefore, the consumption of goods is not a direct concern of sellers in a given market. So long as the demand is right, they will supply what is necessary.</span>
