How is the concept of civilization a useful construct, and how is it not? It is useful when comparing to civilizations to each other. It is not useful when comparing a civilization and an uncivilized social order. ... Civilizations have a food surplus, city, is specialization of labor, and a social government form.
The answer is a shift from human and animal energy to energy from other sources.
Answer:
Option B, Recreational boats
Explanation:
Recreational boats are used for the purpose of relaxation and hence performing any activity such as introducing nonnative organisms into aquatic systems is illegal as it is non commercial.
Hence, option B is correct
Magma that cools below the earths surface forms Extrusive igneous rock
