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sweet-ann [11.9K]
3 years ago
14

In what ways can respiratory diseases reduce the level of oxygen in the blood?

Biology
1 answer:
Delicious77 [7]3 years ago
4 0

Answer:

Cancer can ruin the lungs and cause death of  lung tissue. If a lung is ruined, running would be out the picture and you would have enough oxygen to provide for your cells during exercise

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<u>Answer:</u>

<em>The exposure of sea bed or undersea surface is called sea-level regression.</em>

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Sea-level regression occurs when sea level drops down due to several climatic changes. This triggers extinction of several species. There had been several mass extinctions in the past due to <em>sea-level regression. </em>

<em>Chances of survival of shallow</em> water species become feeble when the sea level falls. In the case of mass extinctions regression can be seen as a symptom and not a cause.

Marine transgression is the opposite <em>phenomena of regression</em> where sea level rises and covers the land which was previously above the sea level.  

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