Which of the following is the most reasonable conclusion based on the data in the figure?
A) Forest fires and fossil fuel combustion are increasing atmospheric carbon dioxide concentrations.
B) There is a great deal of uncertainty in measurements of global atmospheric carbon dioxide levels.
C) Carbon dioxide molecules multiply themselves over time.
D) Average annual atmospheric carbon dioxide concentrations have been increasing since 1960.
D
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If the Pacific Ocean plate is moving at 5 centimeters a year and the Island of Hawaii is 5000 Kilometers away from the Aleutian Subduction Zone; how old will the island rock be when it begins to submerge into the trench? Hint: There are 100,000 centimeters in a Kilometer.
a) 1 million years (1,000,000) b) 5 million years (5,000,0000 c) 100 million years (100,000,000) d) 1 billion years (1,000,000,000)
Terrestrial planets in our solar system have thick atmospheres, while the outer planets are primarily atmosphere-free
a. True b. False
Conduction is a more important cause of global air movements than is convection
Indicate whether the statement is true or false
How does isostatic rebound affect a glacial landscape after the glacier is removed?
A) A depressed crust rises after glacial retreat. B) Advancing glaciers erode bedrock, which allows rock to spring up. C) Meltwater streams deposit sediment, severely depressing the landscape. D) Weight of water forces the crust downward.