Natural acids because chemicals erode rocks in chemical weathering
It makes a weird kind of medicine that makes you more healthy, and it eats away rotting wood .etc.
The energy-rich compound needed by organism is : Carbohydrates
Carbohydrates consist of the combination of the existing Carbon, Hydrogen, and Oxygen alone.
For human, The source of carbohydrates could be found in almost every food, but the huge amount could be found in rice, potato, corn, cassava, oatmeal, etc
hope this helps
It may be 166, but you may want to check my math
