Why does beneficial relationship exists when a certain type of trees root need a fungus present in order to grow normally

Wht happens as electrons in the electron transport chain release their energy

All eukaryotic cells contain small bodies called

Earths energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your homes electricity, and explain why you chose that source. can someone give me some ideas, i’m kinda confused.