Because P and S waves travel faster through the earths mantle than through earths crust, scientists know that the mantle is and than the crust.

A: liquid; denser

B: solid; less dense

C: liquid; less dense

D: solid; denser

He scientist goes back to the laboratory and does the following?

What's 50 times 50 times 50 times 50 times 100

Which is NOT and example of the system of checks and balances at work? A. The president vetoes a bill. B. A Supreme Court justice retires. C. The Senate refuses to approve a treaty. D. The federal courts block an executive order.

The North European Plain runs through these countries.

How does Sedimentary Rock form?

What is the diameter of the geosphere

A major concern about increasing global temperatures is that a large portion of polar ice could detach and melt into the ocean.

Match the vocabulary word with its description. 1. produced from the sun biomass energy 2. produced by burning organic materials geothermal energy 3. produced from the heat inside the earth hydroelectric power 4.

How is a map an example of a model

How long would it take to drive from Tulsa, Oklahoma to Dallas, Texas?