It is apart of cellular DNA an ATP, and is a major component of bones and teeth, it is often only available in limited quantities in the the environment.
Many animals hibernate as they cannot find any more food
Answer: The correct option is B.
B)the work to do the job is made easier
Explanation:
The work to do the job is made easier because it becomes easy to move object on high elevation, the sloping surface of the inclined plane support and hold part of the object weight. It then require little force or work to move the object up the hill compare to straight up height.
A nervous system because worms don't have nerves