D because it’s healthy for the baby to eat protein
Answer:
The damage to ozone layer is done by halogens such as Chlorine and Bromine.
Answer:
many alveoli are present in the lungs with a shape that further increases surface area. Thin walls - alveolar walls are one cell thick providing gases with a short diffusion distance. Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface.
Explanation:
