6. What does the rate of transpiration depend on? * The amount of water in a plants
The amount of water in the ground
The size of the opening in the stomata
The size of the plant
7. Openings and closings in the stomata are regulated by what?
Guard cells
Chloroplasts
Roots
Chlorophyll

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on