The sky is pale blue in higher altitudes while it is deeper blue in lower altitudes. This is because there is more air molecule closer to earth surface (as a result of higher air pressure) than higher altitudes. The air molecules are responsible for scattering of sunlight hence giving the sky its blue hue. The more the air molecules the more the scattering.
I believe the answer is basal sliding
The answer is B - Rugged landscape of mountainous land
Rio Grande River sources: Rio Grande Natural Forest, San Juan Mountains, Canby Mountain
Answer:
Sierra Madre Occidental
Explanation:
this mountain range takes up nearly 140,000 square miles of Mexico.
