Answer: Alveoli
Explanation: Alveoli of lungs are surrounded by extensive blood capillaries. The partial pressure of oxygen in the alveoli is higher than the blood entering the pulmonary capillaries, hence oxygen moves into the blood. Carbon dioxide in the lungs simultaneously diffuse out of the blood into the alveolar space.
The fact that it's a renewable resource would be the only benefit. All of the others are disadvantages
Answer:
crude oil (petroleum) is the only natural liquid fossil fuel
What’s question 1? (It says the info from it is needed)