Analysis of global sites of magma extrusion found that hot spots, such as Hawaii, represent ________ of the total magma extrusion.
A. 73%
B. 12%
C. 15%
D. 80%
Answer: B
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What is wrong with the following depiction of a chemical reaction? 
A. One box contains more atoms than the other. B. These boxes contain only molecules but no atoms. C. One box contains more molecules than the other. D. all of the above
Government subsidies for farmers are higher in Asia and South America than in Europe and North America
Indicate whether the statement is true or false.
Explain how the weather can affect people's comfort and health
What will be an ideal response?
The Montreal Protocol is a UN agreement that is intended to ________
A) reduce air pollution globally B) reduce ozone in the atmosphere C) reduce CO2 in the atmosphere D) reduce CFCs in the atmosphere E) make everyone feel good about the environment without really fixing anything