C. Atmosphere - which is the one sphere that means "air" or "gasses". The other ones mean, Biosphere = "living", Lithosphere = "land", and Hydrosphere = "water"
The justification hypothesis that the early Earth environment was void of oxygen is:
- atmosphere lacked oxygen but abundant in methane, ammonia, water vapour, noble gas, neon etc.
<h3>What did scientist proved about oxygen-less earth?</h3>
Studies revealed that the Earth's atmosphere was devoid of oxygen before more than 2.4 billion years ago.
However, some scientist proved that oxygen get brewing in the atmosphere from the oceans where a cyanobacterial photosynthesis occurred for about as 3 billion years ago.
Read more about Earth environment
<em>brainly.com/question/617302</em>
when trees and dirt combine i think
Answer:
Environmental systems seeks to analyze the challenges facing earth systems.
Explanation:
Hope this helped
