TED ED Urbanization and the Future of Cities

How many people live in urban areas (cities)?

• less than half (<50%)

• more than half (>50%)

• 20%

• everybody

Answer explanation

Hunter-gathers did not usually live in one place.

• TRUE

• FALSE

Semi-permanent villages developed when people learned to

• raise animals and grow crops

• cook food

• start fires

• hunt and gather

Answer explanation

People learned to farm about 500 years ago.

• TRUE

• FALSE

Answer explanation

about 10,000 years ago

Irrigation and soil-tilling made permanent villages possible.

• TRUE

• FALSE

Irrigation means

• bringing water to fields

• putting fertilizer on fields

• putting manure on fields

Early cities were often very dense (crowded) because everything had to be in walking distance.

• TRUE

• FALSE

Answer explanation

Global population is expected to reach about ______ people.

• 10 trillion

• 7 billion

• 10 billion

• 20 million

Answer explanation

After that it should stay the same or decrease as people have fewer children than in the past.

Food production might move to...

• vertical farms

• rooftop gardens

• vacant lots

• All of the above

Answer explanation

The French Revolution led to the growth of modern cities.

• TRUE

• FALSE

Answer explanation

the Industrial Revolution