Which mountain range is located between the black and caspian seas

When it is a high tide in georgia, usa, where on earth is another place that is also experiencing a high tide

The volume of the triangular prom is 54 cubic units

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?