Question

How can Earth’s layers be defined? Select the two correct answers.(1 point)
Responses

by their temperatures
by their temperatures

by their chemical compositions
by their chemical compositions

by their physical properties
by their physical properties

by their thickness
by their thickness

by their amounts of land area

Answer 1

The two correct answers for defining Earth's layers are:

1. **by their chemical compositions**
2. **by their physical properties**