Consider the research question, "Does changing the volume of a gas affect the gas pressure?" Identify the independent and dependent variables in the experiment.

Seawater contains approximately 3.5%nacl by mass and has a density of 1.02 g/ml. what volume of seawater contains 7.5 g of sodium?

This graph gives information on changes in sea ice extent in the arctic ocean over a 30-year span. the overall trend shows in the ice extent. to address the trend, scientists need to ask themselves, one direct consequence of the trend is that

What happens to isotopes that are unstable?