Which of these is a response to an internal stimulus

The poles appear to be slightly flattened in a robinson projection. question 1 options: true false

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?

What is the correct order (starting from the surface) of warts layers