50,00,000,000,000 houses
About 90000000
About 90000000
because they provide fish , light for light houses and more.
Four
2
The state with the most light houses is Michigan.
How many fires did the United States have in 2009
about 25% of houses in the world. mostly developed countries have dishwashers, such as Canada and the US.
light houses
true
Its a shelter that keeps us safe from many dangers