Explain why there would be no volcanoes on Earth without convection
What will be an ideal response?
The decompression of rising rock lowers its melting point while only lowering its temperature a small amount. The rock is now above its melting point and it begins to melt. Upward movement to cause decompression results from convection.
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The driving force for mass wasting is gravity.
Answer the following statement true (T) or false (F)
Most of the world's cities are not self-sustaining systems.
Answer the following statement true (T) or false (F)
Sources of the oceans' salts are believed to include: a. the early atmosphere of the earth
b. all of these choices c. the earth's crust. d. volcanic eruptions.
The theoretical point at which an impact becomes irreversible is known as a(n) _________ __________
Fill in the blank(s) with correct word