Big balls> oo
It requires energy.
It is known as diffusion
its not a refraction its rarefaction
You can change friction by the material. e.g ice, low friction. carpet high friction.Or you could add a lubricant :D
When you crumple a paper you are decreasing the surface area. The less surface area, the less the wind can stop the paper. it also works because you are putting more weight on one area.
It requires energy.
It requires energy.
active transportation is the movement of molecules from a less crowded area to a more crowded area. passive transportation is the movement of molecules from a more crowded area to a less crowned area.
It requires energy.
It requires energy.
It is called diffusion.
Diffusion
osmoses
i believe it is osmosis
It is known as diffusion
in the normal diffusion the substance move from the area of greater concentration to that of lower concentration. .... but i never know what do we mean be "faciliated" plz specify
because there is less oxygen.....