Hey bud, this is not a question someone can answer. Try giving us the drop down menu stuff?
He performed an experiment that explain what occurred on primitive earth billions of years ago. He sent an electrical charge through a flask of chemical solution of methane, ammonia, hydrogen and water. This created organic compounds including amino acids
Hopes this help you.
Answer:
A
Explanation:
The kingdom is the least specific classification of living things, so it therefore encompasses the largest variety of organisms