Yes. Oxygen crash led to Cambrian mass extinction
Answer:
Decomposition
Explanation:
According to the carbon cycle when organisms die they decompose and release carbon.
Hope this helped!! :)
Darwin finally consolidated all of his observations into his famous book
On The Origin of Species, drastically and controversially altering the
scientific view on the biological origins of life. I learned this a little while ago in my school, I kept notes!! Hope this helps!! <3