can a limitation for diffusion be that the iodine was expired, do you think it's a suitable answer ??​

no

Explanation:

yes

No se pero bueno

Explanation:QUIEN SABE?

trachea, alveoli, lung capillaries, arteries

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.