Below are the three main organs that make up the plant body.
The parts of a plant are labeled. The top green leaf part is labeled A. The stem is labeled B. The part that is underground is labeled C.

What is the main function of the structure that is identified as B in the picture above?
a
It anchors the plant.
b
It supports the plant.
c
It produces food.
d
It absorbs nutrients.

The answer is c) organisms that are sensitive to changes in temperature would die.

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