1
There are 6 billion people on Earth in 1999.
6 billion people live on Earth.
how many families of at least two people living together are on the earth
There is about 7 billion people on this earth.
Well noone can know this question because do you even know how many people are on the earth. There's a lot!!!
7000000000
An atom
2
There are over 1 million people who partisapat in earth hour per year
215,628 people
how many people died on this earth
Yes there can. The earth only has so many resources, if we have a population greater than those resources can support there are too many people.