The pulmonary vein carries oxygenated blood from the lungs to the left atrium
The cells that produce pepsin, an enzyme that breaks down proteins during the digestive process is Chief cells. Pepsin is the main digestive enzyme in the stomach that breaks down proteins. Pepsin is produced by the chief cells in the inactive form pepsinogen, which is then converted to pepsin by the hydrochloric acid from the parietal cells.
Carbon sequestration describes long-term storage of carbon dioxide or other forms of carbon to either mitigate or defer global warming and avoid dangerous climate change. It has been proposed as a way to slow the atmospheric and marine accumulation of greenhouse gases, which are released by burning fossil fuels.
Answer:
it has been beneficial because the climate with the environment helps humans to cope with the level of civilization
