Which of the following is an inorganic compound?
xenon and flouride
carbon oxygen and hydrogen
nitrogen carbon hydrogen and oxygen
carbon and hydrogen

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Which of the following electromagnetic waves can create ions?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space