In the experiment food was burned and the heat released was used to change the temperature of the water. The change in temperature of water was recorded. What makes it possible to calculate the amount of energy in food?

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land