Positive and negative reinforcement can be used to wanted behavior. A. strengthen
B. increase
C. decrease
D. avoid

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.

The correct answer for above statement is: b. reduces pesticide residues. explanation:

it decreases pesticide residuals up to 50%. it also does not expand the quantity of fat in beef because, corn, like wheat and grain, are rich starch or high energy food, which would suggest that, it decreases the time to  fatten the cattle.