Answer: Population growth can be defined as the increase in the number of individuals living within a political or geographical boundary.
The main factors affecting Population growth is basically birth rate, death rate, immigration, and emigration.
The single biggest factor that has contributed to the increase of population in the last 300 years is BIRTH RATE.
Nations with high population growth have low standards of living, while nations with low rates of population growth have high standards of living.
The correct answer is:
C) NAFTA encourages trade between Mexico, U.S. and Canada.
Explanation:
The North American Free Trade Agreement or NAFTA was an agreement signed between Canada, the USA and Mexico on January 1, 1994 establishing a trade bloc between the three.
The answer is C. Earth's tilt and orbit. Hope I helped!