What does Homo erectus mean

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 of the following characteristics define a state? check all that apply. a. a population of people b. a sovereign government that determines how a group of people is ruled c. an army, military, or police force d. a territory with set borders

Many somalian refugees sought entrance to the united states in 2006 and 2007. describe factors that encoura somalians to leave their country in the 1990s and 2000s