4 ms·
I would argue 500 million years ago is not ”not so long ago”. The Cambrian period also didn’t have more than a microbial soil crust living outside of oceans.
by cung 5y ago
I would argue 500 million years ago is not ”not so long ago”. The Cambrian period also didn’t have more than a microbial soil crust living outside of oceans.
- hntroll1110 5y agoHow old do you think the earth is?