What type of agriculture is found in both Latin America and Africa?

What makes a personal exceptionality/non-exceptionality

What is unusual about the iraq mountains ,in spite of their old age?

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?