If the salinity of ocean water at the entrance to an estuary is 30 percent and the average salinity of the estuary is 20 percent, what fraction of the volume of water in the estuary is fresh water?
A. 1/2
B. 1/3
C. 1/4
D. 1/8
E. 16
Answer: B
Environmental & Atmospheric Sciences
You might also like to view...
Which of the following is true of the glycosidic bonds in heparin?
A) They are all a(1 ? 4). B) They are all b(1 ? 4). C) The a(1 ? 4 ) and b(1 ? 4)bonds alternate. D) None of the above is true.
Environmental & Atmospheric Sciences
Passive solar energy is trapped rather than generated
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Which of these numbers has the thinnest sequence of marine sediments?
A. 1 B. 2 C. 3 D. 4 E. None of these choices are correct.
Environmental & Atmospheric Sciences
Statistical tests
A. are only used in science to influence political decision-making. B. provide us with raw numbers such as the number of people in a given city. C. provide only fake numbers. D. focus on determining the probability that observed phenomena occurred by chance.
Environmental & Atmospheric Sciences