Answer:
true
Explanation: petroleum did cause a boom in the industry
Answer:
1. chemical properties
2. physical properties
Explanation:
1. chemical properties
2. physical properties
Since ,
Earth is distributed into two ways i.e. - chemically or mechanically.
By chemically ,
The Earth is composed of the crust, the mantle and the core whereas ,
By mechanically or ( by the state of liquids) ,
The Earth is divided into different spheres , i.e. , the lithosphere, asthenosphere, mesospheric mantle, outer core, and the inner core.( which is based on physical properties )
the Soviet union was communist
