at elmwood middle school there are 4 teachers or every 68 students there are 425 students enrolled at school. how many teacher are needed step by step

Adrop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles