Answer:
Organic matter used as a fuel, especially in a power station for the generation of electricity.
<em><u /></em>
<em><u>Hope this helps :)</u></em>
<em><u>Pls brainliest...</u></em>
<em><u /></em>
Increase of earth's average temperature
After he ate, glucagon from the cookies increased his blood sugar levels
Insulin was secreted after he ate the cookies because his blood glucose was high.
By diffusion hope this helps