Today, there are about how many people living on the earth?
3.4 billion
7.5 billion
9.0 billion
6.6 billion

The correct answer is option B, 7.5 billion

Explanation:

As per the US Census Bureau, the world population in year 2016 was approximately US  

7346235000. As per the UN estimate there were 7 billion people on planet earth in 2011 and World Bank estimates say that there were 7 billion people in year 2012

The top most populated countries in coming year (along with their population) would be  

China                            1,367,485,388

India                            1,251,695,584

United States                    321,368,864

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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