Answer:
Pawpaw means papaya. Hope you'll get some clues from here
Answer:
The carbon in the air will lessen over time. This is because it is being trapped in the walls of the biodome. This will affect living things negatively as the carbon cycle is a necessary part of nature and throwing off the balance of carbon in the carbon cycle will throw off the balance of the entire ecosystem within the biodome.
Photo receptors are attached to the retina and are most numerous specifically at the fovea
Many scientists agree that the universe is about 13 billion years old.