Which of the following describes how scientists separate the physical layers of the Earth? Group of answer choices

A Based on how the layers interact with each other

B Based on the size of each layer

C Based on the color of each layer

D Based on the atoms and molecules in each layer

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?

Use complete sentences to describe scientists’ predictions for another earthquake in the same location. if applicable, provide an anticipated date of reoccurrence.

Which soil layers comprise the topsoil? o horizon a horizon b horizon c horizon