Which statement best describes scientific laws? A. Scientific laws are scientists opinions of why events occur.

B. Scientific laws are facts that describe observed reoccurring natural events.

C. Scientific laws explain why natural events occur.

D. Scientific laws were theories that have been proven to be true.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.