________ is the speed required for an object to escape a planet's gravitational force
A) Obliquity
B) Impact weathering
C) Escape velocity
D) Terminal velocity
Answer: C
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Why was Times Beach, Missouri, evacuated in 1983?
A) Soils had eroded so deeply in a large rainstorm that streets were irreparably damaged. B) Soils had become contaminated with dioxin. C) Soils had become infertile because of excessive agricultural use. D) Expansive soils damaged most of the buildings in town.
Without human intervention to save a species from extinction, which one of the following organisms would be most likely to survive threats to its extinction?
A) A flower species that produces three seeds a year and lives for up to 4 years B) A mushroom species that releases millions of airborne spores and dies C) An elephant species that provides parental care for 1 or 2 offspring for more than a year D) A frog that lays 50 to 100 eggs every year for 2 to 3 years
Health care has a particularly low income elasticity
Indicate whether the statement is true or false
__________ is the distribution of living things on the Earth
Fill in the blank(s) with correct word