What do we know about the main volcanoes in the Cascade Range?
A. Only Mount St. Helens and Crater Lake have erupted in the last 4,000 years.
B. Nearly all of the large Cascade volcanoes have erupted in the last 4,000 years.
C. Only Mount St. Helens has erupted in the last 4,000 years.
D. Only Mount St. Helens and Mount Shasta in California have erupted in the last 4,000 years.
Answer: B
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Which marine reptiles make long migrations to lay eggs on the very same beach they hatched from?
a. Sea turtles b. Crocodiles c. Lizards d. Sea snakes e. Iguanas
Deserts tend to be even drier when they are located near warm currents that increase their air temperature
Indicate whether the statement is true or false
Most precipitation falling on terrestrial ecosystems becomes surface runoff, flowing into streams, rivers, lakes, wetlands, and oceans.
Answer the following statement true (T) or false (F)
Each number on this figure refers to a location with groundwater in a subsurface material that is consistent in character across the entire figure. Of these locations, which two sites are on the opposite side of a groundwater divide?
A. between 1 and 2 B. between 3 and 4 C. between 2 and 3 D. between 4 and 5 E. None of these choices are correct.