Salinization is likely to occur in
A) the tundra regions.
B) the tropics.
C) areas of high potential evapotranspiration rates.
D) humid climate regions.
E) areas characterized by coniferous forests.
C
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What was the Superfund Act designed to do?
A. To make polluters pay for cleaning up abandoned hazardous waste B. To ensure the safety of chemicals used in the manufacture of many products C. To identify sites where hazardous wastes have contaminated the environment D. To generate funds for the EPA so that it can enforce environmental laws E. To pay for the Toxic Release Inventory
The 1985 Schengen Treaty
A) gives citizens of one European country the right to hold a job, own property and live in another European country. B) restricts migration based on family reunification. C) specifically targets admittance of white collar professional migrants. D) was developed to control Europe's brain drain. E) is a specific agreement with China's coastal manufacturing cities.
An ecosystem is an example of a(n) _______________ system since energy and matter are freely exchanged at its boundaries
Fill in the blank(s) with correct word
Which of the following is least likely to disrupt a protein's function?
A) a frameshift mutation that occurs near the beginning of the gene B) a nonsense mutation in the middle of a gene C) a nonsense mutation near the end of a gene D) All of the above are equally likely to disrupt protein function.