carbon: petroleum, coal
oxygen: ice, water, human body
Maltase - cleaves maltose into glucose
Sucrase - cleaves sucrose into glucose and fructose
Lactase - cleaves lactose into glucose and galactose
we can get them from eating foods that contain protein bio molecules
During puberty the testes of the man will begin to produce testosterone. This causes hair growth in multiple areas of the body and the voice change. Similarly, women begin to grow hair but also begin menstruation.