I think the answer would be 420hg=4,200,000cg
Answer: Gastroenterology
Explanation: Gastroenterology is a branch of medicine concerned with digestive diseases. The practice of gastroenterology concentrates on the diagnosis and treatment of diseases involving the esophagus, stomach, small intestine, and large intestine (colon), liver, and pancreas. Examples of conditions treated: Abdominal pain.
Answer:first ale you should answer my question
Explanation:
Answer: solar energy, and heat energy
Explanation: