Answer:
it would have to be flow control which would be C.
Explanation:
The second the hardware and the software
fn is to talk to the computer
it tells you that the sun give the msple tree energy to produce food for its leaf's and if it can no longer produce enough energy to make food for the leaf's of the maple tree then the tree will either die of no energy or die of no leaf's to give the soil's food for the tree
