Name 2 special properties of water that are caused by hydrogen bonding. And What is the function of a buffer?

What occupation did muhammad have before the first revelation

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

One of the reasons that stars are so large is because