The hubble telescope thing
C. when did the earth form? and what is it made of?
At the point when the measure of the surface region with respect to volume builds, the rate of weathering increments. Weathering is the breakdown of rocks at the Earth's surface, by the activity of water, extremes of temperature, and natural action. It doesn't include the expulsion of shake material.
arrow b is pointing twards the mediterranean and italy is true