Technology can have good and bad effects. what is a bad effect of spraying pesticides on crops with the use of airplanes?
a. it is sometimes sprayed too far from the crops.
b. it increases food production.
c. it lowers the cost of food.
d. it decreases the cost of spraying pesticides.

the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.

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explanation:

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