Q: Chemical reactions always involve energy. when methane burns, for example, it releases energy in the form of what?


Read this paragraph and choose the correct option from the provided answers:

Chemical reactions always involve energy. When methane burns, for example, it releases energy in the form of heat and light. Other chemical reactions absorb energy rather than release it.

 Choices:

- movement and light

- light and sound

- heat and movement

- heat and light


A:
heat and light