Answer:
D) increased haze and smog caused by auto exhaust and tire particulates.
A. Eclipses only occur during full and new moons.
Answer:
Economic resources of the Rocky Mountains are varied and abundant. Minerals found in the Rocky Mountains include significant deposits of copper, gold, lead, molybdenum, silver, tungsten, and zinc. The Wyoming Basin and several smaller areas contain significant reserves of coal, natural gas, oil shale, and petroleum.
Answer:
europa y asia son fronteras de Africa, y Africa esta ubicada en el hemisterio Este
