How can Earth’s layers be defined? Select the two correct answers.(1 point)
by their physical properties
by their amounts of land area
by their chemical compositions
by their temperatures
by their thickness
The correct answers are:
1. By their physical properties
2. By their chemical compositions
The two correct answers for defining Earth's layers are:
1. By their physical properties: Earth's layers can be defined based on their physical properties such as density, rigidity, and state (solid, liquid, or gaseous).
2. By their chemical compositions: Earth's layers can also be defined by their chemical compositions, which refers to the types of minerals and elements present in each layer.
The correct answers are:
1. By their physical properties
2. By their chemical compositions
To define Earth's layers, we can consider their physical properties and chemical compositions. By examining the physical characteristics like density, state of matter, and behavior under pressure and temperature, we can differentiate the layers. The layers also have distinct chemical compositions, which are determined by the types of minerals and elements present. Therefore, both physical properties and chemical compositions are relevant in defining the layers of the Earth.