Carrying out experiments to prove a point and to further knowledge about the world around us and the galaxy we live in
The answer would be gas I believe
The lining attached to the lungs is called the visceral pleurae.
Their children would have AA,BB, or AB blood types. it is a 25% chance of AA, a 25% chance of BB, and a 50% chance of AB so most likely their child's blood type would be AB.