Minerals and other compounds that condense at relatively high temperatures are described as refractory, and those that do so at relatively low temperatures are described as volatile. if the temperature were to then increase, which would evaporate first?

Plss anybody know how to do this? ? i need the answers from a through d

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n