Which pollutant would most likely be the source of coliform bacteria in a stream?
(a) fertilizers from a golf course.
(b) discharge from a factory.
(c) forestry activities.
(d) sewage or animal wastes.
(b) discharge from a factory.
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Which virus found in the blood involves infecting certain T lymphocytes and possibly macro-phages?
a. Cytomegalovirus (CMV) b. Epstein-Barr virus (EBV) c. Rubella virus d. Human immunodeficiency virus (HIV)
All animals capable of moving independently of the ocean currents are called ________.
Fill in the blank(s) with the appropriate word(s).
Define eugenics and discuss Francis Galton’s influence in the development of the fundamentally flawed ‘science.’ What will be an ideal response?
Nosocomial infections are most often caused by
A) Escherichia coli. B) Staphylococcus aureus. C) Enterococcus. D) Pseudomonas. E) Klebsiella.