Which of the following is the same for both Senators and Representatives? The length of time they have been US citizens.
The minimum age at the time of their election.
The number of years they serve per term.
The number of times they can be re-elected

What border separates sonora and chihuahua national border state border physical boundary natural boundary

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?

Which two nations are doing the most to combat their environmental issues?