Non contact- gravitational force, magnetic force, electrical force, nuclear force, electrostatic, electromagnetic, muscular <span>movements, x-rays, radio waves, infrared, and visible light.</span>
B. Solar flares
The auroras are caused by space dust particles reflecting and mixing with earth’s atmosphere
Osmosis is the diffusion of water in high to low concentration. It doesn’t use energy. It helps equal out the solute concentration.
Nitrogen Fixating bacteria ( such as cyanobacteria or clostridum) can convert gaseous nitrogen in the air into amonia, a compound that organism can use to make amino acid and other nitrogen-containing organic molecules
Humans cannot convert the sun's energy into glucose for themselves because humans lack <span>chlorophyll.</span>
