Answer:
A cultural boundary (also cultural border) in ethnology is a geographical boundary between two identifiable ethnic or ethnolinguistic cultures.
Explanation:
It's purpose is specialization of spore produce.
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Answer:Astronomers estimate the age of the universe in two ways: 1) by looking for the oldest stars; and 2) by measuring the rate of expansion of the universe and extrapolating back to the Big Bang; just as crime detectives can trace the origin of a bullet from the holes in a wall.
Explanation: