How can we use rocks to know how an area looked in the past

If previous eruptions had left Mount St. Helens with a different shape, what differences might have influenced the timing of the eruption?

Why are summers generally warmer than winters?

What is the relative movement of the plate along the San Andreas Fault?

What are the five types of plate boundaries?

What's the greenhouse effect? A. The trapping of warm air in cities B. Human caused global warming C. The regulation of atmospheric and surface temperatures D. The release of extra moisture from water vapor

Why did Egyptian build a great pyramids for there kings

The surface area of a square pyramid is 91 square inches. The base length is 7 inches. What is the slant height?

Regional settlement patterns are most affected by this physical characteristic.

How will the processes of weathering, erosion, and deposition affect a mountain range?

How would a soil that developed in a warm, wet place be different than one that developed in a hot, dry place