The answer youre looking for is A
Cells are limited in size by their surface area and volume.
A cell does not possess a mouth, lungs and digestive system. Every process has to happen directly or indirectly through the cell membrane. The relationship between the volume of cell contents and the surface area of the cell membrane becomes the limiting factor in how big a cell gets to be.
If it gets too big it may starve due to lack of incoming nutrients, or poison itself because it can not get rid of waste rapidly enough.
Answer:
because there is no force acting in the comet making it able to go on forever without change in its path or speed
explanation
newton's first law
Answer:
what website or book is that?
Energy is stored as an ATP molecule and it is then released as heat.
