Why Does Earth Have Dry Land

question 1

Multiple Choice

Why does Earth have dry land?

• A) There is not enough water to cover the surface completely.
• B) All planets of the solar system have dry land.
• C) Earth has continental crust, which rides isostatically higher than oceanic crust because it is relatively thick and less dense.
• D) The mid-ocean ridges push up the bottom of the seafloor above sea level. Eventually there will not be any ocean left.
• E) All of these are correct.

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The financial rate that ensures a project's cash flows have a net present value of exactly zero.