Answer:
D. cell is the smallest part of an organism.
as cell is basic functional and structure of life.
I think the correct answer from the choices listed above is option B. During diffusion, when the concentration of molecules on both sides of a membrane is the same, the molecules will <span>stop moving across the membrane. This is because equilibrium has already been achieved and there is no more driving force which is the concentration gradient present.</span>
Hypothesis are guesses based on scientific knowledge. Theories are systems of ideas intended to explain something.
Answer:
Water, fresher climate, not only scientific factors but also a psychological factor (nice beaches, palms, other wildlife, etc.)
