Gregor Mendel conducted hybridization experiments on around 29,000 pea plants. Peas were an ideal choice for Mendel to use because they had easily observable traits there were 7 of which he could manipulate.
ADH or Antidieuretic Hormone
Playing around with this hormone can be dangerous, for example conditions like Diabetes insipidus which causes a low ADH, can mean you spill enough water to dehydrate.
C. Cycle of life.........................
The answer is carbon oxide