D identical diploid daughter cells
It consists of the alveolar wall, the capillary wall, and their basement membranes.
Answer:
B inorganic materials can form organic molecules under the right conditions
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.
