You've been assigned to observed the habits of the birds living in your neighbor hood . what tools might you take along

The answer is a if u read the definition it makes sense

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. 

Sorry  i don't understand can you rephrase that