Can Someone Please Help Me For 10 Points. John steps outside and observes that clouds have started to form in the sky, and it looks like it could rain. Which of the following is the best way to explain why the clouds have formed?

A. The temperature of the air is below zero.

B. There is a low amount of moisture in the air.

C. The warm, wet air in a low pressure system has risen up and cooled down.

D. The wind is traveling at a slow speed.

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?