Which of the following statements is not part of the cell theory? a. cells are the basic unit of structure and function in living things. b. all cells are produced from other cells. c. only animals are composed of cells. d. all living things are composed of cells. select the best answer from the choices provided a b c d

State the right hand rule of the direction of magnetic field in a conductor carrying current

What happens in a global convection cell

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e