1. what part (or parts) of the system store potential energy? 2. what part( or parts) of this system have kinetic energy

3. if an object has kinetic energy what must it be done

What is the change in internal energy if 20 j of heat is released from a system and the system does 50 j of work on the surroundings? a. -70 j b. 30 j c. -30 j d. 70 j

This event is the result of a sudden vertical offset in the ocean floor and is most often the result of plate movement on the ocean floor. it destroys coast lines and coastal settlements. what is the event called that causes this type of physical damage? a. volcano b. tsunami c. landslide d. liqufication pls !

The heat fusion is the amount of heat required to__ a- evaporate 1 g of liquid into gas b-make a substance subliminate c- melt 1g of solid into liquid d-make material combust