B. because it is dependent on something to manipulate (change) it, that is why it is called a dependent variable :)
Answer:
sorry i don't know this answer of this question
Well matter is basically any substance that has mass and takes up space. Example, you have a ball, or a table, or anything really. That is mass. But anything that doesn't take up space or has mass isn't matter. So, anything that doesn't have a mass or take up space is not matter. Hope this helped you understand. :D
I'm not sure but I think the producers are the shrubs and the elm tree.
