The answer to this is false, a vector is a disease usually spread from a bite.
The correct answer among the choices provided is option A. Lung capillaries are responsible for exchanging carbon dioxide for oxygen from the air. Blood that comes from the heart gets oxygen from the alveoli. The carbon dioxide in the blood goes into the alveoli at the same time.
Answer:
algae - crown pls
Explanation:
algae because if there wasnt algae the food chain wouldnt survive
