What forces are responsible for the movement of water in plants from roots to tree tops?

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

In what for do plants utilize nitrogen? why do they need nitrogen?

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.