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.
Answer:To reduce pollution, the government can use four main policies – tax to raise the price, subsidise alternatives, regulations to ban certain pollutants and pollution permits
Explanation:
Those are all plateaus, though you could figure this out with elimination, too. Peninsulas are land forms with 3 sides water, mountains generally form in mountain ranges, and usually deserts are larger than the two small cells on the right side.
Minerals, organic matter, water and air.
