Please help with this it's science, please:? Why does energy change into other forms?

Energy cannot be created or destroyed.
Energy can only be destroyed.
Energy can only be created.
Energy can be created or destroyed.

What is the term used for the belief that the white race is superior to all other races

Why do you think that historians use the word “revolution” to describe important changes in agriculture? how did the green revolution and other agricultural revolutions change the lives of billions of people? < < read less

Why was florance consterd the heart of the renassinance