Why do waves become crowded together as they approach a shore?

Find a formal factor that connects egypt to africa to europe and to southwest asia

Based on the information in the graph, what can you conclude about humans in the world in general?

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?