Help! i need the right answer!

Because ours has not callosped, its working without the planets crashing into eachother, and the sun is the right distance away.

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.

The government of somalia is a. a parliamentary democracy 

1. term
2. direct democracies
3. federalist papers
4. bangladesh