Milankovitch cycles ________
A) refer to shifts in the temperature of surface water in the middle latitudes of the Pacific Ocean
B) describe the transpiration, evaporation, and precipitation of Earth's water
C) describe the timing of the northern lights in the thermosphere
D) are changes in Earth's rotation and orbit that may trigger climate variation
E) describe upwelling and downwelling in the ocean
Answer: D
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What is environmental resistance?
a. The decline in population growth b. The sum of the effects of the limiting factors on the environment c. The maximum population growth in an environment d. The movement of one population against another e. The carrying capacity of an environment
A traveler going north to south across Nepal would pass through ethnic regions in this order:
A) Indian Hindus, Chinese Buddhists, Nepalese atheists B) Tibetan Sikhs, Pakistani Muslims, Bangaldeshi Muslims C) Tibetan Buddhists, cultural and ethnic mixture, Hindi-speaking Hindus D) Bhutanese Buddhists, Indian Hindus, Sri Lankan Buddhists
Which of the following are associated with turbidity currents?
A. submarine canyons B. graded beds C. a dense slurry of water and sediment that moves downhill D. submarine fans E. All of these choices are correct.
Extensive subsistence agriculture involves:
A. large areas of land and massive amounts of the labor input per hectare. B. the cultivation of large landholdings through the expenditure of small amounts of labor per acre. C. large areas of land and minimal labor input per hectare. D. the cultivation of small landholdings through the expenditure of great amounts of labor per acre.