Who are people on power in Quebec

Don’t use up to much of them it leads to pollution

It should be a because the dilation changes the sides but not angles because in all shapes you have a certain degree number to add up to like for example a triangle is always 180 degrees

1. why do astronomers think that there may be other advanced civilizations?
because  it was discovered that there are other planets like earth out there, able to  accommodate life forms.
2. what technologies are astronomers using to look for life on other planets? why?  
they  have used radio telescopes, but now they use laser telescopes   to track laser communications.