B. because it is dependent on something to manipulate (change) it, that is why it is called a dependent variable :)
The main food sources of the birds( the plentiful recourses within the environment occupied by the species)
The sun provides all the energy for evaporation.
Answer:
Explanation:
when people have different opioions on what they believe in.
Answer:
i say competition
Explanation:
i say competition because they are the same so they might fight alot for resources