Which factor corresponds with temperature in the transfer of energy to make changes in the atmosphere

Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle

What’s the scientific notation for the number 6,840,000,000

Stage in which a typical star has completely stopped fusion