Soil formation and water purification are examples of ________ based on the biodiversity that benefit humans.
A. Availability of food
B. Health benefits
C. Geological cycles
D. Ecological services
E. Aesthetic benefits
Answer: D
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What is hydraulic conductivity?
A) the velocity at which water passes through soil B) the proportion of sand and gravel in a soil C) the number and sizes of pore spaces in a soil D) the ability of a porous material to transmit water
The main difference between a hurricane and a tropical storm is that
a. hurricanes are larger. b. tropical storms are more than 500 miles from the U.S. mainland. c. winds speeds are greater in a hurricane. d. hurricanes have a clearly defined eye on satellite photographs. e. tropical storms deliver more moisture.
Based on your readings about population pyramids AND the Demographic Transition Model, which of the following nations is likely represented by this population pyramid?
A) Japan
B) United States
C) Nigeria
D) China
E) Russia
Oil window refers to a narrow range of temperature when oil forms. This temperature range is:
a. 90 ºC b. 90 - 160 ºC c. 160 - 225 ºC d. 225 - 250 ºC