humans have 46 chromosomes. the sperm and egg cell carry 23. I don't know the answer to the second im only in 9th grade and everything I answer is from the top of my head SORRYYY
Answer:
Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
Explanation:
It was the theory that an organism could form from something such as mud for an example.