Answer:
Cool air moves down while hot air rises
Energy Levels of Electrons. As you may remember from chemistry, an atom consists of electrons orbiting around a nucleus. ... They are restricted to orbits with only certain energies. Electrons can jump from one energy level to another, but they can never have orbits with energies other than the allowed energy levels.
It is believed that the entire solar system was born f<span>rom an early nebula.</span>
Sexual reproduction promotes adaptations, increases genetic diversity, and increases chances of survival.
<span>How do buffers work in the human body?
</span>
