>Your"goose bumps" are caused by the same muscles that fluff up geese on a cold day
> Some forms of life would survive if the sun stopped shinning , but we would not be among them
>Airborne pollutants from car exhaust can combine with water and return to earth as acid precipitation far away,evidence that the water cycle operates on a global scale
>Counting one person per second,it would take more than 225 years to count all the people alive today
>That saying that everyone uses after a breakup"Theyre are plenty of fish in the sea"could become meaningless if overharvesting continues
>The average american generates about 40 pounds of trash per week,almost three times as much as the average colombian
>If enviromental resources were unllimited,a single pair of elephants would give rise to a population of 19 million in 750 years
