Why have some scientists suggest that billions of aluminum balloons should be released into the atmosphere?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

May someone me with these science questions

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?