Question

During the Cambrian period on Earth, the ___________ layer developed along with the massive production of oxygen.
A) ozone
B) ocean
C) mantel
D) carbon dioxide

Answer 1

Answer:

During the Cambrian period on Earth, the ___________ layer developed along with the massive production of oxygen.is carbon dioxide

Answer 2

Answer:

during the Cambrian period on the earth ozone layer developed along the Messy production of oxygen