Recently, a farmer noticed that the amount of rice grains he could collect has decreased. Based on the food web above, answer the following:i) What is the possible cause for the decrease in the rice grains collected?ii) How can the farmer prevent the decrease?

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

yes? sounds right, but you didn’t ask a question.

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

voluntary muscles are controlled by the cerebellum.