The particles in a balloon
push out on the sides of the
balloon. What is the reaction
force?

A. The balloon wall pushes the enclosed
air particles inwards.
B. The string of the balloon pushes on the
particles in the environment.
C. There are no forces involved in a
balloon filled with air.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

is this a question? wassup

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.