Explain why an iron nail that is stuck to a magnet can pick up a paperclip

Describe the function of the endomembrane system? what organelles are involved?

Sound is a disturbance that travels through a medium as a

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.