Why is it difficult to make a map of earth on a flat plece of paper? What is the best way to show earth correctly?

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?

How does australia influence people

Explain how earths tilt and revolution around the sun affects weather and climate