The Grand Canyon is about 5-6 million years old, or was formed about 5-6 million years ago
Answer:
This consists of pebbly beds associated with ancient blown sands, sometimes of considerable thickness. Above this series of deposits comes the Head or Rubble Drift, formed during a greater elevation of the land.
Alaska gets extremely cold. and there are alot of dangerous parts that are hard to get to. alot of places in Alaska have to roads you would have to get flown into these parts. also in the summer it stays light 24/7 and in the winter it's always dark, this gets people really depressed.
~ang25
Answer:
The greenhouse effect is a natural process that warms the Earth's surface.
Explanation:
When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. Greenhouse gases are absorbed energy that warms the atmosphere and the surface of the Earth.
