False because your deltoids are in your shoulders not your back
I believe the answer is 3). The cell wall provides protection, it doesn’t control movements of materials in and out of the cell.
Your answer is the ball it's very simple a ball rolling down hill will be the one that makes the most sense.
Therefore as you move around the U.S. the acceleration due to gravity (g) varies from about 9.79 to 9.81 meters per second squared. The Earth’s average is 9.80 m/s2 which is generally reported as the acceleration of gravity on Earth.
