Using the map of North American time zones for reference, if it is 8:00 P. M. standard time on Thursday in Baltimore (39 ∘ N, 77 ∘ W), what is the day and time in Sacramento (39 ∘ N, 121 ∘ W)?

What is the mostly tropical region in asia

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?

East asia is considered a less developed nation. true or false