According to the map above, which language family is most commonly used in the country of China? A. Indo-European
B. Afro-Asiatic
C. Sino-Tibetan
D. Altaic

Exactly what kind of weather conditions would a cold front produce?

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?

All of the following occurred due to the invention of the railroad except