Identify 3 energy resources and indicate if each one is renewable or non renewable this is for a very important exam that I have, I hope you can answer :)

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin