HURRY!!!!! final exam..

Question 3 of 20:
Select the best answer for the question.
3. Which of the following real-world examples models linear motion?
O A. Running 50 m along a straight track
O B. Throwing a rock in the air at a 45-degree angle
O C. Throwing a rock in the air at a 60-degree angle
O D. Running around the curve of a track
O Mark for review (Will be highlighted on the review page)