Which continent contains 60% of the world's population?
A) Asia
B) Africa
C) North America
D) South America
E) Africa
A
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As energy disperses in a system it ultimately becomes
A. kinetic energy of its particles. B. thermal energy. C. potential energy. D. none of the above
All of the following can be inferred from the figure except ________
A) temperate coniferous forests tend to be wetter than temperate broadleaf forests B) only the warmest deserts receive greater than 50 cm of precipitation annually C) areas classified as tundra tend to be very cold and dry D) plants in tropical dry forests experience both a wet season and a dry season
Life is possible on Earth's surface because of the:
a. gamma rays and ultraviolet wavelengths reaching the surface. b. filtering of shortwave radiation by our atmosphere. c. action of the atmosphere as an insulator and heat transfer/storage medium. d. all of these.
Inertia could also be called
a. Resilience b. Persistence c. a lack of ecological succession d. persistance and resilience e. a faster rate of ecological succession