Easiest Way to study Books

Which set of conditions represent the easiest way to cool a gas ?

Suppose, you wanted to know the genotype of one of the brown F_(2) mice in Q. 159. The easiest way to do would be to

Best Way to Study at Night | How To Study at Night for Exams

The "easiest way for" prevent stress caused by work or home pressures is to indulge in high levels of physical activitiy.