answersLogoWhite

0


Best Answer

Oxygen Levels were approximately 10% of what they are today. As photosynthesis only began in the Precambrian period the amount of carbon dioxide and oxygen in the atmosphere would be very small compared to modern times. In fact, human's probably wouldn't have been able to breath.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What was the atmosphere like in Cambrian period?
Write your answer...
Submit
Still have questions?
magnify glass
imp