In our current view of the Universe there are 2 possible futures. One possiblity is that the Universe will come to an end in the opposite of a Big Bang called The Big Crunch. The other possibility is that we live in an Eternal Universe that will never come to end.
i hope this helps :)
D transferring electrons because that causes electricity
Helping verbs come before the main verb, the main verb in the sentence is repair therefor the helping verb would be could.