Suppose the amount of fish caught worldwide, assumed to be a small proportion of the total fish population, grows at an annual rate of 3%. About how long will it take for the fish catch to double?
a. 10 yr
b. 13 yr
c. 18 yr
d. 23 yr
e. 33 yr
D
You might also like to view...
Proportional Reasoning: Assuming equal rates of acceleration in both cases, how much longer would it take a car to stop if braking from 56 mi/h than from 28 mi/h?
A. 8 times as long B. 4 times as long C. 2 times as long D. 1.4 times as long E. the same in both cases
During the nuclear epoch, the temperatures were:
A) higher than 1032 K. B) about a trillion degrees. C) comparable to the temperatures inside giant stars today. D) less than 10 million K. E) between 3,000 and 16,000 K.
Which of the three key environmental requirements for life might Europa possess?
A) a source of elements and molecules from which to build living organisms B) a source of energy for metabolism and growth C) a liquid medium for transporting the molecules of life D) all of these
A charged particle moves with a constant speed through a region where a uniform magnetic field is present. If the magnetic field points straight upward, the magnetic force acting on this particle will be strongest when the particle moves
A) straight upward. B) straight downward. C) upward at an angle of 45° above the horizontal. D) in a plane parallel to Earth's surface.