A volume of water has a mass of 500 g. If the temperature of this amount of water is raised by 7°C, how much heat energy is produced?

What semimetal can form four single covalent bonds.

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.