Answer:
A sustainable forest is a forest that is carefully managed so that as trees are felled they are replaced with seedlings that eventually grow into mature trees. This is a carefully and skilfully managed system.
Explanation:
The answer is true. Hope this helped!
To sustain is to maintain a certian rate or level over a period of time, so I would put B. being able to continue for a long time.
When these coordinates are graphed together, they create a square. Get graph paper, map it out, and that will basically provide all the explanation needed:-)