Moon: Not magnetic
Compass: Permanent Magnet
MRI: Not Magnetic
Answer:
If the substance can cross the cell membrane, its particles will tend to move toward the area where it is less concentrated until equilibrium is reached.
Explanation:
does this help? also it is called diffusion!
There are currently 24 orbiting earth
Answer: Osmosis.
Osmosis is the movement of liquid across a membrane from an area of low solute concentration to an area of high solute concentration.
If there are no rocks in a desert then the prey would rapidly decrease due to no rocks for shelter or hiding, once they do food will be scarce for the predators causing the predator population to also decrease meaning that the life in the desert will decrease by 80%, leaving barely any wildlife left.