Answer: runoff is like when rain and water drains away
Explanation:
Answer:
Explanation:
Experimental research was taken place.
Answer:
each of the parts into which something is or may be divided.
Looking at the food chain & relationships between organisms can give you a good idea of theoretical cause and effects.
For example:
Starfish are the natural predators of the mussel. If the starfish, that eat the mussels, were to be taken out of the picture: there would most likely be a higher population of mussels.
