D. rift valleys.
Trenches occur at convergent oceanic plates; fossils are extremely old bones, bodies, or footprints, which have gotten so old the intervening years have turned them into rock; U-shaped valleys are valleys which are shaped like the letter U, and are usually formed by glaciers, which tend not to occur underwater very often.
The answer is that it occurs when minerals absorb into water
and expand. Hydration is a term used to show that a substance contains water.
Hydration enthalpy, energy unconstrained from water reactions. Also it is known
compound produced by combining a substance chemically with water. Many minerals
and crystalline substances are hydrates.
Answer:
The largest lake in Central Europe is Lake Balaton
This is true because 6 and 15’s sum is 21.
The sea level of mexico city is 7382.