What is the life expectancy of a plastic bags

In a repredentive democracy: a.) people come together in large meetings to vote on public policy b.) the people govern themselves c.) political power is held by a small group of people d.) people elect officials to run the government for them

Which measure of humidity, relative humidity or dew point, best describes the actual quantity of water vapor in a mass of air

Read the article about the fraser river, one of the most important rivers in canada. what is the most important species of fish in this river? why are the numbers of these fish declining?