Acute exposure to high altitude can affect the cardiovascular system by decreasing oxygen in the blood (acute hypoxia). It also increases demand on the heart, adrenaline release and pulmonary artery pressures.
I hope this helped:))
Answer:
okay so this isnt much but search up pink eye or red eye, it can lead to a worse disease which can leave you blind, search up glaucoma, that was the name of the even worse disease
Because it can catch another germ or virus
Answer: The answer is Erosion
Explanation: It is probable that the natural process of Erosion caused the exposed layers of rock in The Valley.