The earth receives energy from the Sun by:
A) conduction. B) convection. C) scattering. D) radiation.
D
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A drought defined by the degree of dryness as compared to a regional average and the duration of dryness is a(n)
A) meteorological drought. B) agricultural drought. C) hydrological drought D) socioeconomic drought.
Which of the following is true of a reaction which has reached equilibrium?
A) The reactants have been completely converted to products. B) The rate of the forward reaction is faster than the rate of the reverse reaction. C) The rate of the forward reaction is equal to the rate of the reverse reaction. D) The rate of the forward reaction is slower than the rate of the reverse reaction.
Wind wave energy from a storm can travel hundreds or even thousands of kilometers
a. True b. False Indicate whether the statement is true or false
Negative feedback processes tend to function within ecosystems to ________
A) stabilize the ecosystem B) reinforce harmful changes C) cause ecological relationships to flourish D) cause further ecological destruction. E) cause ecological relationships to disintegrate