Plant cell has chloroplasts, vacuole and cell wall...
animal cell doesn't have any of these...
Answer:
These two forces are called action and reaction forces and are the subject of Newton's third law of motion. Formally stated, Newton's third law is: For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects.
The Rhizobium or Bradyrhizobium bacteria colonize the host plant's root system and cause the roots to form nodules to house the bacteria. The bacteria then begin to fix the nitrogen required by the plant.
No a solution is not a combination a combination is when you combine something
Telescopes, satelites, rovers, just to name a few. Hope this helps!