Answer:
the rates of rock formation are similar. i could be wrong tho.....
Explanation:
Answer: D:
A periodic disturbance of a medium
Explanation:
A wave can be Mathematically defined by periodic disturbance of a medium. That is, oscillations of the waves about a fixed position or change in position from the resting equilibrium position. The wave oscillate from equilibrium position with amplitude periodically.
An organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense.