The presence of sea shells on beaches indicates that
A) waves erode some beach sediment from shoreline rock and regolith.
B) streams deliver large volumes of sediment to the ocean.
C) waves erode sediment from the seafloor.
D) longshore currents carry sediment off the end of a headland.
Answer: C
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Meeting current and future basic resource needs without compromising the ability of future generations to meet their basic needs is considered a(n)
A. natural income. B. trade-offs. C. scientific solutions. D. environmentally sustainable society. E. natural capital degradation.
Once living organisms reach a balance with their environment, they do not undergo any more natural
selection. Indicate whether the statement is true or false.
________ is primarily responsible for spreading thousands of invasive alien species around the world.
Fill in the blank(s) with the appropriate word(s).
After initial testing on mice reveals that a new food coloring may be a carcinogen, researchers should next plan to examine the effects of different concentrations of the food coloring on mice in a type of ________
A) exposure assessment B) dose-response analysis C) risk management D) hazard identification