Net energy is
a. the usable amount of low-quality energy from a given quantity of energy resource
b. the total useful energy available from an energy resource
c. analogous to total income
d. the total useful energy from an energy resource minus the amount of energy used and wasted in producing it
e. the amount of energy used and wasted to produce useful energy
D
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When a 1-N orange is held at rest above your head, the net force on the orange is
A. 0.1 N. B. 0 N. C. 10 N. D. 1 N. E. none of the above
Which of the following is the main factor that generates the heat from a chinook wind?
A. warm, ocean water B. sunlight C. compressional heating D. friction with the ground
Changes that vary within a range of tolerance is:
a. output. b. feedback. c. dynamic equilibrium. d. threshold.
A wet monsoon is associated with high-rainfall totals and is caused by ________
A) gravitational forces B) volcanic gases C) a seasonal reversal of winds D) the jet stream E) the Coriolis effect