Plz help i need an answer ASAP. whoever is correct first will get brainiliest!

From the standpoint of geography,a is an internal rendering of an individual's known world

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?

What is the largest river in the united states?