Which of the following is the primary source of oxygen in the earth's atmosphere? a. factories b. plants c. bacteria d. animals

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

The integral design hub incorporates thento the bearing unit. n a. cv joint n b. mounting carrier n c. brake rotor n d tie rod end

Could someone me find the answer to this problem.