Question

why do we have two words for a big city: metropolis and megalopolis?
a metropolis has less than 2 million people, while a megalopolis has more than 5 million people.
a metropolis is characterized by the presence of a subway, while a megalopolis is characterized by a public bus system.
a metropolis only has domestic airports while a megalopolis has international airports.
a metropolis is just one city while a megalopolis includes many different cities.
question 8
2 pts
what have sociologists begun to realize about the nomadic lifestyle?
nomads never tire the land they live on because they are constantly moving from place to place.
nomads are better than stationary farmers at protecting the land and keeping the soil good for other peoples life.
nomads only raise sheep and goats, not cows or oxen, so the grass their herds consume is minimal at most.
nomads have a hard time bridging the gap between their traditional lifestyle and doing what is best for the land.

Explanation:

First Question (About metropolis and megalopolis)

To determine the correct answer, we analyze each option:

• Option 1: Population thresholds for metropolis (less than 2M) and megalopolis (more than 5M) are not standard definitions.
• Option 2: Transportation systems (subway vs. bus) do not define these terms.
• Option 3: Airport types (domestic vs. international) are not defining characteristics.
• Option 4: A metropolis is a single large city, while a megalopolis is a region with multiple interconnected cities, which aligns with standard definitions.

Analyzing each option:

• Option 1: Nomads move to avoid overusing land, so they don't tire the land—this matches sociological understanding of nomadic land use.
• Option 2: Claiming nomads are "better" than stationary farmers is inaccurate and not a sociological realization.
• Option 3: Nomads raise various livestock, not just sheep/goats, so this is incorrect.
• Option 4: The idea that nomads struggle to balance tradition and land care is not the key realization; the main realization is about sustainable land use via movement.

Answer:

D. A metropolis is just one city while a megalopolis includes many different cities.

Second Question (About nomadic lifestyle)