In humans, one function of the skin is to prevent water loss. Skin releases water or holds in water when necessary. Which two structures in plants have a similar function to skin?

> roots and chloroplasts

> phloem and roots

> cuticle and stomata

> stomata and phloem

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