Stars spend most of their life span as giants
Indicate whether the statement is true or false
FALSE
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Heat death refers to the universe
A. reaching the point where the process of radioactive decay is no longer possible. B. reaching the lowest energy state possible, which will mean the greatest level of entropy. C. reaching a state where all stars expand and merge into each other. D. ending after a massive fire.
How did core samples drilled from various locations in the ocean floor support the concept of seafloor spreading?
a. Cores containing younger sediment were located closer to the ridge crest than were cores containing older sediment, meaning that older material is continuously being pushed away from the ridge. b. Cores containing younger sediment were located closer to the trench than were cores containing older sediment, meaning that older material is continuously being pushed away from the ridge. c. All cores contained sediment that was roughly the same age regardless of their proximities to the ridge crest. d. Cores containing older sediment were located closer to the trench than were cores containing younger sediment, meaning that older material is continuously being pushed away from the ridge. e. Cores containing older sediment were located closer to the ridge crest than were cores containing younger sediment, meaning that older material is continuously being pushed away from the ridge.
Overland flow can concentrate in small grooves called ________, which can enlarge to form ________
A) rills; gullies B) striations; potholes C) gullies; rills D) potholes; striations E) striations; gullies
The principle of lateral continuity proposes that sedimentary rock layers continue in all directions until they grade into a different rock type or thin out on the edge of a basin is important because ________
A) it provided a way to recognize if rocks had been deformed B) it provided an explanation how rocks behave in a depositional setting C) it allowed geologists to correlate sedimentary rock units over large distances D) it showed that catastrophism could not explain the flat layers of the earth