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Q: What can cause dissolved oxygen levels to decrease?
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Which of the following can cause a decrease in dissolved oxygen in the water?

Excessive plant debris


Explain how changes in the alveolar structure cause a decrease in the blood oxygen levels in emphysema?

Decrease in alveolar surface area results in less boundary across which oxygen can be absorbed into the blood.


Explain how the changes in alveolar structure cause a decrease in blood oxygen levels in emphysema?

Pneumonia fills the lung's alveoli with fluid, keeping oxygen from reaching the bloodstream.


Why does salinity cause a decrease in dissolved oxygen?

When an ionic salt like NaCl is added to water, the ions from the salt introduced will attract the water molecules in an effort to "solvate" the ions. This has the tendency to decrease the weak affinity of non-polar oxygen molecules to water and drive the dissolved oxygen out of the polar water. In general, the solubility of a gas in a solvent is affected significantly by the presence of other solutes in the solution.


What can decrease the amount of dissolved oxygen in water?

Sometimes, water can become overheated, like if it is near a factory or power plant. If the water's temperature increases, then the Dissolved Oxygen (DO) level will decrease, which can cause strain or even death for many fish and marine wildlife.


What's dissolved oxygen?

Dissolved oxygen is the current amount of oxygen in the water. A certain amount of Dissolved Oxygen Is needed to keep the fish alive, if any of the dissolved oxygen decreases by either a little or a lot it can cause changes in the water, normally if the dissolved oxygen decreases so do the fish and aquatics life's life.


What is dissolve oxygen?

Dissolved oxygen is the current amount of oxygen in the water. A certain amount of Dissolved Oxygen Is needed to keep the fish alive, if any of the dissolved oxygen decreases by either a little or a lot it can cause changes in the water, normally if the dissolved oxygen decreases so do the fish and aquatics life's life.


Where in the body would you find low oxygen levels causing vasoconstriction and high levels causing vasodilation?

Low oxygen levels cause vasodilation in systemic arterioles.High oxygen levels cause vasodilation in capillaries in the lungs.


Does increase in blood co2 increase or decrease respiratory rate?

When your oxygen levels go up and carbon dioxide levels in the body go down this will cause your heart rate to speed up. This is caused by the blood vessels opening and the heart working harder to pump the blood.


Will infection cause blood glucose levels to increase or decrease?

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Why do rotting plants cause a decrease in the level of oxygen?

cause yo mama said so


Biological reasons decrease respiration of goldfish?

A decrease in goldfish's respiratory rate would be caused by one of two things. The first would be that the dissolved oxygen levels increased somehow and now the fish does not have to breath as fast to get the same amount of oxygen. The second reason would be because the water, it is in, experienced a cool down in temperature- this can sometimes instinctively cause a fish to go into a kind of hibernation where it slows down it's bodily functions (including breathing) until the water returns to normal.