Welcome to Westonci.ca, where your questions are met with accurate answers from a community of experts and enthusiasts. Get the answers you need quickly and accurately from a dedicated community of experts on our Q&A platform. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.
Sagot :
Before ther was any life on Earth, oxygen was the gas that was absent from Earth's ancient atmosphere.
Answer;
Oxygen
Before there was any life on earth, oxygen gas was absent from earth’s ancient atmosphere.
Explanation;
In the ancient atmosphere there was no oxygen gas.
Oxygen gas was introduced in the atmosphere by Early bacteria life.
Free oxygen was released through the process of photosynthesis by cyanobacteria and green algae.
Photosynthesis uses the carbon dioxide in the atmosphere and sun light to form simple sugars and release oxygen gas.
Thank you for choosing our service. We're dedicated to providing the best answers for all your questions. Visit us again. We appreciate your time. Please revisit us for more reliable answers to any questions you may have. Your questions are important to us at Westonci.ca. Visit again for expert answers and reliable information.