ASAPPP The light given off by an electric discharge through mercury vapor is . (1 Point)

of a single wavelength

a continuous spectrum

an emission spectrum

white light

Write a paragraph at least 10 sentences explaining how rocks are used today in society

Can someone me with questions 12 and 13 plz.

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?