How does the classification system us understand how living things are different

Name the river that forms a natural border between new york and new jersey and is the site where a passenger jet made a miraculous landing on january 15

What is the pattern of urbanisation around the word?

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?