Which statement explains the boiling point of a substance?
a) the temperature at which substance changes from solid to liquid
b) the temperature at which a substance from gas to liquid
c) the temperature at which a substance changes from liquid to gay
d) the temperature at which a substance changes from gas to solid

Many state and local authorities are making laws regarding recreation on lakes, rivers, and oceans to reduce water pollution. why would lawmakers need to consult with scientists before making these laws? a) to make scientists feel important b) so that the laws reduce pollution by a sufficient amount c) so that parks and lakefront facilities will still make large profits d) so that the public will believe that the laws are important to follow

What occurs to the cell during mitosis

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs