Once a groundwater supply is contaminated with marine water, how long will it remain contaminated?
A- It depends on the concentration of the salt
B- It depends on the amount of the precipitation in the area
C- Forever
D- Such water is not considered contaminated
E- It depends on the location
C- Forever
You might also like to view...
Which of the following protein classes are not found as membrane proteins?
A. transport channels B. hormones C. receptors D. enzymes E. identity markers
Which of the following defines recombination frequency?
a. the average number of duplicate alleles in a chromosome b. the occurrence rate of a trait in the next generation c. the average number of crossovers between two alleles d. the number of generations between expressed recessive traits
Why is oxygen toxic to strict anaerobes?
What will be an ideal response?
Which of the following is correct about polio?
A. The Sabin vaccine is preferred over the Salk vaccine in the U.S. today. B. The disease is spread by the respiratory route. C. The oral polio vaccine (OPV) is not responsible for causing any polio. D. The virus multiplies in the mucosa of the intestines and is shed in feces. E. The disease is still affecting millions of people worldwide, mainly in Africa and India.