Which of the following is a massive star that has reached the end of its stellar evolution?
neutron star
red giant
stellar nebula
white dwarf

What type of lipids are found in all biological membranes?

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates