Ionizing radiation, for example X-rays, gamma rays and alpha particles
Fungi and bacteria
They break down the dead organisms and create new healthy soil
When blood is in the lungs,
where oxygen is plentiful, oxygen easily binds to the first subunit and then quickly fills up the remaining ones. Then, as blood circulates through the body, the oxygen level drops while that of carbon dioxide increases. In this environment, hemoglobin releases its bound oxygen.
Answer:
A healthy ear is filled with air
Explanation:
