Answer: Option A) Oxygen may not have been able to accumulate in the atmosphere
Explanation:
Ozone, O3, is an allotrope of oxygen having three atoms in the molecule instead of the usual two present in molecular oxygen. Ozone is generated from oxygen, and is the only form in which oxygen can exist in the atmosphere.
Answer:
b.)water + carbon dioxide → sugar + oxygen
Explanation:
Photosynthesis is the process by which plants and other organisms convert carbon dioxide into sugars and other organic compounds by the use of solar energy
In this process raw materials which is water and carbon dioxide are converted to sugars and oxygen which are the end products through the use of sunlight
They share common ancestry