Arefrigerator is used for keeping food fresh for a long period of time, and favorite food is chicken. Given these facts, what does a refrigerator keep fresh among the following options: - animals - heat - salt - oysters - canned food - grass - chicken - trout
chicken

Some light bulbs convert electricity into light and heat energy, and halogen light bulbs generate heat. Given these facts, how do halogen bulbs make heat among the following options: - Air - energy - kinetic energy - Water - Sunlight - Evaporation - simple - Electricty
Electricty

The vanes rotating in an electric fan causes air to move, and air is a gas, and air has pressure. Given these facts, the vanes rotating in an electric fan cause what to move among the following options: - energy - waves - wind - cars - storms - homes - Lift - gases
gases