Heat energy is when it moves from one room to another. a. created b. destroyed c. transferred d. transformed

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive

Why is a noble gas different from other elements?

Whithin which type of system is neither the total mass nor the total energy conserved ? a. open b. connected c. isolated d. closed