Why is the fertile crescent important?

Which event causes tides? the blowing of the wind the movement of warm and cool water the interaction of the moon, the Sun, and Earth the mixing of surface water and deep ocean water

What do we mean when we say that the rotation curve for a spiral galaxy is "flat"? what do we mean when we say that the rotation curve for a spiral galaxy is "flat"? the disk of a spiral galaxy is quite flat rather than spherical like the halo.

When the north end of Earth's axis is tilted toward the sun, North America will experience

What is accurate about the land surface today, that you can observe in places such as Pennsylvania? A) Sediment is not being deposited anywhere, and it never has been. B) Sediment is being deposited in most places, but a few places are eroding.

Rocks are a mixture of minerals. What is another term for a mixture of minerals? Question 1 options: Composite Compound Aggregate Conglomerate

How do geologists determine where glaciers may have been in the past? What tools are required? What pieces of evidence are crucial to determine something like the existence of snowball earth?

How does the demographic transition model trace the population history of a country?

What is common to all fossil fuels? all fossil fuels contain energy stored as solar energy. all fossil fuels are found only near a water source. all fossil fuels are formed deep underground. all fossil fuels have to be in the solid form.

Why are most quartz crystals not colorless (clear) ?

Why is the Gulf Coast important to Mexico's economy? It is a center for industry. It is the heart of the nation. Many crops are grown here. Petroleum is found here.