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 :)
Disease
Lack of natural reourses
war
asteroid
Polution.
What’s the question? Is it true or false?
<span>The work output of a machine divided by the work input is the "Efficiency" of the machine.
Hope this helps!</span>
