All of the are false lowest it can be without a human ear picking up is 19 hertz
Platinum: Mostly mined around that area.
Proteins
Enzymes are proteins that can lower activation energy of reactions in the body (I think).
For photosynthesis to occur plants need sunlight water and carbon dioxide and chlorophyll. Through the process of photosynthesis plants cover light energy into chemical energy they use this energy to make food which they store as sugars