Which term labels a solutiona. a graduated substanceb. a homogeneous mixturec. a heterogeneous mixtured. a primary make sure of elements

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which statement best describes what happens when molecular compounds melt

Deferentiate volatile and non volatile acid