Global life expectancy is the number of years people live on average in the entire world i believe
True, if evidence doesnt support it he should change his mind
Some of the most typical characteristics of groundwater are weak turbidity, a constant temperature and chemical composition and almost overall absence of oxygen. Circulating groundwater can have extreme variation in the composition with the appearance of pollutants and various contaminants.
Answer:

A proper fraction is a fraction whose numerator is smaller than its denominator 3/4, 2/11, and 7/19 are proper fractions
Yes it will result in stunted growth