However, the theory does not explicitly name two distinct sources of energy . Instead, it focuses on the environmental factors likely present during the early Earth, which included:
* Ultraviolet radiation from the Sun: This was a major energy source, as the early Earth's atmosphere lacked a protective ozone layer.
* Volcanic activity: Volcanoes released heat, gases, and minerals into the environment, providing energy and materials.
* Lightning strikes: The early atmosphere likely experienced frequent lightning storms, which provided energy for chemical reactions.
Therefore, multiple energy sources likely contributed to the formation of life on early Earth, according to the Oparin-Haldane theory. It's important to note that this is a theory, and there is still much we don't know about the origin of life.
