Below are partial results of chemical sampling of one stream. What do these results tell you about the suitability of this stream as fish habitat? What are likely causes for these values?
What will be an ideal response?
Fecal coliform bacteria levels may be from animal waste or may be a result of contamination from human waste sewage. The high levels of Nitrate may be a result of synthetic fertilizers entering the water via run-off. The low levels of DO may be a result of high levels of sewage or waste. This stream would not be conducive to sustaining a fish habitat.
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The drug of choice to treat patients with V. cholerae is:
a. tetracycline. b. ceftazidime. c. imipenem. d. aztreonam.
The rate of decomposition is faster for proteins, simple sugars, cellulose, and hemicellulose than it is for lignin
Indicate whether the statement is true or false
Methane, which is composed of carbon and hydrogen, lacks functional groups and is a gas at room temperature. Upon
replacing one of the hydrogen atoms with a hydroxyl group, methane is converted to methanol, which is a liquid at room temperature. Explain the reason behind this difference in physical properties. What will be an ideal response?
The only marsupial mammal living in North America is the
A. weasel. B. raccoon. C. wombat. D. opossum. E. ring-tailed cat.