Answer:
1. Release heat and light into their surroundings.
2.Glow sticks emit light when two chemicals are mixed for example mixing the peroxide and phenly create the chemical reaccion making colors or glow
3. the diference betwen exothermic and endothermic reactions is the realise of energy in a form of sound, light, cold or maybe heat, so that means that the endothermic reactions absorb energy from the surrounding that is in the form of heat.
4. Endothermic and exothermic reactions are chemical reactions that absorb and release heat, respectively. A good example of an endothermic reaction is photosynthesis. Combustion is an example of an exothermic reaction
Explanation:
