Can anyone answer this question?

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?

Lake victoria lies on its southern border. true or false

Which of the following physical characteristics best explains the climate of the area that is circled in black on the climate map above?