Elements that have atoms with full outer shells of electrons
Are inert
I think is D i hope this helps
Answer:
Pulmonary fibrosis is a disease that affects the lungs. The lung tissue becomes damaged and scarred which causes it to be thickened and stiff.
The condition pulmonary fibrosis is caused by the replacement of elastic fibers in the lung with inelastic collagen fibers. This decreases the lungs’ ability to stretch outwards.
Pulmonary fibrosis however mainly affects inspiration because the lungs cannot stretch to increase volume while during expiration stretching of the tissues doesn’t happen so it doesn’t affect the process.
It was plants maintained photothenysis . global oxygen increase very important.but natural do it
From several more prokaryotic cells.
