Answer:
Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.
Answer:A
Explanation:
did it on edgenueity 2020
Answer:
Explanation:
1st question is humans eat other organisms to get nutrients they need to survive.
2nd one is Eukaryota domain
Answer:
weak acid
Explanation:
4-6.9 belongs to weak acids
In the presence of unlimited resources and in the absence of disease and predation, Exponential Growth will likely happen. Feel free to mark me as brainiest! <3