Nationalism means the belief of groups of people who are bound by cultural, territorial and ethnic. The answer is A. Centripetal forces. These are forces in a state promoting stability, unity and giving the strength thus binding a state together such as having strong national culture.
The combined genetic information of all members of a particular population forms a <span>gene pool</span>. The answer to your question is B. I hope this is the answer that you are looking for and it comes to your help.
Theory because a theory is a well substantiated explanation of how a particular phenomenon works based on the set of facts which had been repeatedly confirmed through observations and experiments. A scientific theory gives reliable account of a phenomenon.
Answer:
A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points. ... To identify a chemical property, we look for a chemical change.