Pesticides help protect crops from insects/etc. Using too much pesticide can be a bad thing, however, because it -

A. causes the plants to become too large
B. can contaminate the watersheds
C. can cause mutations in the plants, making them inedible
D. can cause an increase in the amount of carbon dioxide released by the plants

the answer is b

explanation:

force is based upon mass and acceleration.the statement is not always true.

it can be explained from newton's second law of motion.

as per newton's second law of motion the rate of change of momentum is directly proportional to the applied force and takes place along the direction of force.

mathematically it can be written as -

                                              ⇒      

here   k is the proportionality constant whose value is 1.

                                                            [a is the acceleration=dv/dt]

hence we see that force not only depends on mass and acceleration but also on velocity and rate of change of mass. force f will depend on mass and acceleration only when mass is constant.

hence the statement that force is based upon mass and acceleration is false.