Question

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

1 year ago

·

1 Reply

·

886 views

M

Madison Ziemann


1 Reply

Carola Profile Picture
Carola Best Answer!

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.

Got the answer? Help Madison out.