Alveoli are tiny sacs within our lungs that allow oxygen and carbon dioxide to move between the lungs and bloodstream
(1) Ocean to Continent
(2)Continent to Continent
(3)Ocean to Ocean
are the three sub types of convergent plate boundaries.
The answer is A hope this help
Answer:
Yes Concurred,but where is the question
Answer:
oxygen, water and sugar are the out come of photosynthesis