They had to change they way they live which is quite difficult it is like you going to a new school in a new state and not being used to anyone
The answer is to produce wood and paper products :)
Protoplanets are bodies or celestial objects which have the same size as the moon or a bit bigger. These bodies develop to eventually become planets. Therefore, the answer to this item is most likely letter D. outer planets.
I think it's nucleic acid.
