A student creates several graphs showing how atmospheric has changed over time for each graph the student plots time Against atmospheric changes why is time an independent variable 

What two properties affect the density of ocean water

Mosses, lichens and shrubs can be found where in russia? a.grasslands b.mountain regions c.coastal plains d.siberian tundra

Religious conflict in northern ireland started with a) cultural differences resulting from viking invasions around 800 b) england’s split from the catholic church in the 1500s c) rebellions in ireland between 1916 and 1921 d) the norman invasion of england in 1066