Which of the following increases as an area undergoes ever-widening urban sprawl?
A. air contaminants
B. water quality
C. ecosystem services
D. wildlife habitats
Answer: A
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What would be the concentration of hydronium ions in a solution that had a pH = -3? Why would such a solution be impossible to prepare?
A) Concentration of H3O+ = 3 M. It is impossible because it is hard to measure such a small amount of hydronium ions accurately. B) Concentration of H3O+ = 30 M. It is impossible because pH cannot be negative. C) Concentration of H3O+ = 1030 M. It is impossible because any container used to hold the acid would immediately corrode. D) Concentration of H3O+ = 103 M. It is impossible because only so much acid can dissolve in water before the solution becomes saturated.
Industrialization, the burning of tropical forests and other factors although often bad for the environment, have produced a steady decline in carbon dioxide emissions
Indicate whether the statement is true or false
What might be an effective way to minimize the negative impacts of habitat fragmentation on biodiversity?
a. Limit the size of residential and commercial developments on the edge of cities. b. Create habitat corridors that connect fragmented areas of natural landscapes. c. Create laws and policies that protect larger expanses of natural habitat. d. I don’t think we should take action to minimize habitat fragmentation.
There is concern over the continued ability to provide adequate food for our growing population because
A. there is little corporate interest in food production. B. there is little knowledge about how to farm. C. 2/3 of all agricultural lands show signs of degradation. D. agriculture has not benefited from modern technological advancements.