Getting the bottom of your feet burned when walking on hot beach sand is due to
A. advection.
B. conduction.
C. radiation.
D. convection.
Answer: B
Environmental & Atmospheric Sciences
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A study of South African villages found that men, especially those 50 years of age or older, tended to have an extensive knowledge of __________ for medicines.
A) forest herbs B) lowland herbs C) plant resources D) natural oils E) chemicals
Environmental & Atmospheric Sciences
Globally, aquaculture produces about ________ percent of fish consumed by humans.
A. 24 B. 2 C. 38 D. 12 E. 50
Environmental & Atmospheric Sciences
Hydraulic conductivity is a function of:
a. intrinsic permeability of the material b. fluid viscosity c. porosity d. both a and b
Environmental & Atmospheric Sciences
Without gravity, a ball thrown at an upward angle would follow a straight-line path. Because of gravity, however, in 1 s it is below the straight line a distance of
A. 15 m. B. 10 m. C. 5 m. D. 20 m.
Environmental & Atmospheric Sciences