How can you tell if a car is moving? a. the car has wheels. b. the car is in the driveway. c. the car has a motor. d. the car is changing its position.

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil

What was the first instrument to ever record an earthquake?