Answer:
three.
Explanation:
Types of Galaxies
Astronomers classify galaxies into three major categories: elliptical, spiral and irregular.
Answer:
Barter system had many deficiencies such as
★Lack of double coincidence of wants
★Common measure of value
★Indivisiblity of commodities
★Difficulties of storing wealth
So we don't use barter system anymore
Alberta. The Alberta oil sands is very significant to Canada and contributes to the US
Im pretty sure it’s A agriculture
Advanced technology, military strength, and political power are the factors that enabled Europe to colonize foreign territories.