Question

When did the earths atmosphere begin to look as it currently does?

1 year ago

·

1 Reply

·

1085 views

M

Madison Ziemann


1 Reply

Carola Profile Picture

Verified Sherpa Tutor

It started to really change when the proportion of oxygen went up because of photosynthesis by plants.

Experienced GCSE Science and A level Chemistry tutor with Phd

Interested in booking a 1-1 lesson with me?

Click here to view my profile and send me a message.