Can someone please help me Stars are classified according to their temperature and luminosity. Using the Hertzsprung-Russell diagram compare and contrast white dwarfs with super giants.

What can you guys tell me aboutyellow journalism and the u.s. involvement in the spanish-american war.

What is the northern most national park in the world

Which statements about wells are true? check all that apply. a) wells bring groundwater from the unsaturated zone to the surface of the water. b) wells need to be drilled below the water table. c) if water is pumped from a well too quicky, the well may run dry. d) water from wells is generally not safe to drink. e) water gushes from artesian wells due to pressure.