17. An Earth Science student's grade goes from a 95 to a 60 in 3 weeks because they didn't do their homework and labs (this can happen to you in this class right now if you don't do the workl) Calculate the student's rate of grade change. Show all your work.

are there any answer choices

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.

i think it is d. objects resist changes in their state of motion.