Which two gases account for more than 90% of changes in the greenhouse effect?
A) methane and carbon dioxide
B) methane and nitrogen
C) carbon dioxide and water
D) carbon dioxide and nitrogen
Answer: A
Environmental & Atmospheric Sciences
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This diagram shows magnetic stripes on either side of the midocean ridge. How many different ages of stripes are represented in this diagram?
A) Two
B) Three
C) Four
D) Six
E) Eleven
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What is the measure of a solution's acidity or alkalinity?
Atomic mass Dissolved oxygen Electrical charge pH
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The Cenozoic history of the Appalachian Mountains is distinguished by _______ and _______. Fill in the blank(s) with the appropriate word(s)
Environmental & Atmospheric Sciences
Is there a typical volcano type that is associated with subduction at continent-ocean convergent plate
boundaries? What will be an ideal response?
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