As of 2019, the world's human population is growing at a rate of around 1.0% Which of the numbers below best estimates the doubling time for the world's human population?
A. 40years
B. 20 years
C. 70 years
D. 10 years

In some developing nations the percentage of the animal protein from fish in the diet can be as high as 25 percent.  about 85% of fish caught is used for human consumption.  the remainder is converted into fishmeal and fish oil.