Usually to preserve the organisms (maybe the organisms are endangered species or need to be protected in some other way). Another reason could be for the benefit of mankind (for example, an artificial river provides recreational purposes)
Answer: matter is anything that has mass and volume
Explanation:
It would be autotroph and hetrotroph
If the answer is not C D then is A bc of the way it crosses over
At the release point, the ball has kinetic energy,

and at its maximum height it has potential and kinetic energy,

where
is the maximum height attained above the release point.
The LoCoE tells us that we should have



