Answer:
isnt elk just one species???
Explanation:
The strength of the gravitational force between two objects depends on two factors, mass and distance. the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled. increases, the force of gravity decreases.
The two variables are "mass and distance".
A field or forest will have lower porosity but high infiltration of rainwater into the groundwater
