Hydroxyapatite is the major component of bone that contributes to its hardness.
Radiation. radiation is what causes heat, therefore the air would heat from the natural radiation.
Red tide is a common name for algal blooms, which are large concentrations of aquatic microorganisms, such as protozoans and unicellular algae.
The upwelling of nutrients from the sea floor, often following massive storms, provides for the algae and triggers bloom events
