Giving brainlist fill in the blank

Gear trains balance and

I will report you if needed so don't make a stupid reply

Ineed the answer to question 1 , i’m desperate

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

Why are graphs useful when interpreting data