We had to stop the traffic lights were red
​

Explanation:

The reasoning why you had to stop at the red light was because for the people driving at the opposite side of the road could have a chance to proceed and go on

coin toss of the tosses to the toss

depends on your school

when i was in high school i took ap biology my senior year and it was the hardest one for me because my teacher finished the material within the first month of school and then went on to doing advanced college level it was horrible. but at a nearby school ap biology was one of the easier aps. also, it depends on what you are interested i like math a lot so ap calculus was easier for me than most but i hate history so ap us government was harder for me than most.