Smell is used for finding food by some animals, and olfaction is the sense of smell. Given these facts, what can be found when an animal uses their sense of olfication among the following options: - semen - carbon - warmth - food - mates - light - Energy - RNA
food

All plants have a characteristic life cycle that includes alternation of generations, and all plants are of bush type. Given these facts, what has a life cycle that includes alternation of generations among the following options: - amoeba - Trees - bushes - density - grass - volume - mass - flowers
bushes

The Earth being tilted on its rotating axis causes seasons, and seasons are caused by the tilt of the axis relative to the planet's orbit. Given these facts, what causes a planet's seasons among the following options: - motion - clouds - cold - climate - temperature - orbit - gravity - wind
orbit