The economic system may be production,allocation,distribution,firms,and how the government responds to the economic problem.
Oceans cities roads homes ecosystems
Answer:
Question one: B.
Question two: A
Explanation:
Sorry I didn't know the rest.
Answer:
Viscosity of magma depends mainly on composition, temperature, and gas ...
The arrival on the surface of magma that has lost its gas ..... It is a 0-to-8 index of increasing explosivity.