The Carboniferous coal deposits of North America probably were derived from plants that grew
in temperate climates. Indicate whether the statement is true or false.
F
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A cart is pushed to the right by a 10-N force. At the same time, a boy pushes it to the left with a 5-N force. The net force exerted on the cart is
A. 5 N to the left. B. 10 N to the left. C. 10 N to the right. D. 5 N to the right.
What are some examples of nonfoliated metamorphic rocks? What will be an ideal response?
Which of the following gases has the greatest global warming potential (GWP)?
A) O3 B) CH4 C) CO2 D) CFC E) N2O
What is a sea stack?
A. A ridge of sediment in the surf zone deposited during heavy storms in the winter B. An erosional remnant of a headland C. A conical pile of loose sediment deposited by the longshore current D. An ancient volcano that stick up above the high water mark