Reading - PreInt

There are cities on ____________ than 2% of the earth.

More than _______ % of the world's population lives in cities.

Urban sprawl happens when a city _________________ very quickly.

New houses and roads in Salt Lake City mean that trees were __________________.

If there are fewer trees, there'll be less space for _____________ to live in.

If there are too many cars on the road, there'll be lots of air _______________.

It's expected that ________ of people will live in cities by 2050.

• eighty six %

• no people

• fifty percent

• sixty eight %

Urban sprawl is a result of good planning of the city

• true

• false