The fusion of hydrogen nuclei with the release of energy car be initiated by a fission reaction because the fission reaction
provides a
1. high temperature and high pressure
2. high temperature and low pressure
3. good supply of hydrogen nuclei
4. good supply of neutrons

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy