How can Earth’s layers be defined? Select the two correct answers.(1 point)%0D%0AResponses%0D%0A%0D%0Aby their temperatures%0D%0Aby their temperatures%0D%0A%0D%0Aby their chemical compositions%0D%0Aby their chemical compositions%0D%0A%0D%0Aby their physical properties%0D%0Aby their physical properties%0D%0A%0D%0Aby their amounts of land area%0D%0Aby their amounts of land area%0D%0A%0D%0Aby their thickness
The two correct answers are:
1) by their chemical compositions
2) by their physical properties