What layer of earth's interior causes the diffraction of P waves?

Mantle

Inner core

Outer core

Today one of Mexico City's greatest technology challenges is

Which of the inventions do you think would have been the most important for spreading European influence in Africa

How does weathering affect sedimentary rocks?

Where are you most likely to notice seismic earthquake activity

Which mountain is sacred to Australian Aborigines

What is a specific example of a current discourse on the human-nature relationship.

When looking up at the sky/moon, what part of the sky will the sun/moon appear in

Choose the state and capital that border the east coast of the United States.

Trees in deciduous forest do what? A. Shed leaves during one season B. Grow in a warm Mediterranean climate C. Have needlelike leaves D. Grow in a climate that is cold year round

How many miles long is the great wall of china