Which of the following is a carbon sink?
A. Living plant
B. Living animal
C. Decaying plant
D. Decaying animal
Answer: A
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In preparation for moving you help your parents clean out their garage, where you find several cans of leftover paint. How should you dispose of this paint?
A) Throw it in the trash. B) Pour it down the storm sewers. C) Pour it down the drain. D) Burn it. E) Take it to a household hazardous waste collection center.
Ocean currents along midlatitude west coasts, even near deserts, are cool
Indicate whether the statement is true or false
O2 can be produced by the reaction 2 KClO3(s) ? 2 KCl(s) + 3 O2(g). In one experiment 0.312 g of O2 were formed. How much KClO3 was decomposed?
A) 0.484 g B) 0.797 g C) 1.19 g D) 1.79 g
Climate change and human activity like overgrazing of grasslands is leading to large areas subject to "desertification" where native grass cover dies out during drought periods, exposing soil to erosion
What is potentially the greatest initial soil erosion potential during this type of an event? A) local gullying produced by intermittent rain storms B) loss of topsoil by wind erosion on a large scale C) sand blown in from adjacent deserts D) growth of shrubs shading the ground, further killing the grasses