Semen is formed in the testicles and released from the penis.
Earthquakes occur at that moment
bones
Cell plate!!
Crystallization occurs in the formation of snowflakes.
Urine formation in the kidney
See "How did the ozone hole occur?"
In a peninsula.
The Ordovician Period
Mineral crystal formation is a naturally occurring process of inorganic material. Crystal formation can occur in organic material as well, but would not be considered mineralogical crystal formation.
the formation of the ozone layer. [apex]
Cloud formation.
About 4.6 billion years ago.