Which continent forms a part of North America

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 statements about the diagram are true? check all that apply. is an angle bisector. lkq is bisected. mjkl = 45° mmkq + mpkq = mpkm is an angle bisector. jkl qkm

Which of the following statements about the us federal boundaries is true