Without air resistance, a projectile fired horizontally at 8 km/s from atop a mountain will
A) accelerate downward at g as it moves horizontally.
B) trace a curve that matches Earth's curvature.
C) return later to its starting position and repeat its falling behavior.
D) all of the above
E) none of the above
D
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The three principles of sustainability are
A. reliance on solar energy, biological diversity and nutrient cycling. B. environmentalism, ecosystems, and solar energy. C. natural resources, natural services and water resources. D. nutrient cycling, water resources, and environmentalism. E. solar energy, ecosystems, and natural capital.
The mass of a pet turtle that weighs 10 N is about
A) 1 kg. B) 10 kg. C) 100 kg. D) 1000 kg. E) none of the above
Mutualism is ________
A) a relationship in which two species have a mutual predator B) a relationship with no benefits to either species C) a relationship between two species in which both benefit D) a relationship between a beneficial predator and its prey E) a relationship between two species in which only one benefits
At what angular distance is the International Date Line from the Prime Meridian?
a. 0 degrees b. 45 degrees c. 90 degrees d. 180 degrees e. 360 degrees