The valence of an atom represents its
A. ability to interact with other atoms.
B. electronegativity.
C. atomic mass.
D. ability to attract electrons.
E. isotopic state.
Answer: A
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Using a specific example, explain the term "accidental host."
What will be an ideal response?
Bioaugmentation
A. adds specific microorganisms to the polluted site. B. only enhances the growth, onsite, of the resident population of microbes. C. usually utilizes genetically engineered bacteria. D. is typically done offsite. E. only enhances the growth, onsite, of the resident population of microbes AND usually utilizes genetically engineered bacteria.
Which of the following is NOT involved in capturerecapture
methods of population sampling? a. DNA fingerprinting b. tags c. collars d. leg rings e. wing markers
Phloem tissues transport
A. organic molecules. B. sperm. C. gases. D. eggs.