Which of the following activities is likely to deplete an aquifer fastest?
A) desert trees B) employing molybdenum-based fertilizers
C) deep-well drilling for farms D) using chlorofluorocarbons
Answer: C
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Darwin hypothesized that advantageous hereditary traits in nature would become more common in populations due to
the process of ____.
a. inheriting acquired traits b. use and disuse c. selective breeding d. artificial selection e. natural selection
Along coastlines, the area between high tide and low tide is the
A. hydrothermal vent. B. continental shelf. C. intertidal zone. D. estuary. E. open ocean.
Which of the following is a morula?
A) a hollow sphere of cells B) the group of cells that form the archenteron C) a tightly packed ball of early embryonic cells D) a fertilized egg
Antigenic shift of influenza viruses involves (co-infection/hybridization/reverse transcription).
Fill in the blank(s) with the appropriate word(s).