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What can I do about varicose veins?
Medically reviewed by University of Illinois — Written by Yvette Brazier on December 14, 2017
What are varicose veins?
Treatment
Symptoms
Causes
Home remedies
Prevention
Diagnosis
Varicose veins are enlarged, swollen, and twisting veins, often appearing blue or dark purple.
They happen when faulty valves in the veins allow blood to flow in the wrong direction or to pool.
More than 23 percent of all adults are thought to be affected by varicose veins. Approximately 1 in 4 adults in the United States is affected by varicose veins.
Fast facts on varicose veins
Pregnant women are more susceptible to varicose veins.
Symptoms can include aching legs, swollen ankles, and spider veins.
People who are overweight have an increased risk of varicose veins.
Explanation:
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Answer:
Here is your answer (not copied, typed down).
a) In the above image, it is a river with algae present in it.
As the algae is greenish in color and in a huge quantity, the river also has turned green.
b) When Too much Fertilizer is added to the crop soil, it gets washed off and gets deposited in water bodies. This helps the blue-green algae to grow.
To grow, the algae uses the oxygen present in the water of the water body. This depletes the oxygen present in water and kills the aquatic life. This is Eutrophication.
c) 1) Boiling and purifying.
2) Treat water by following -
A) Sedimentation,
B) Filteration,
C) Disinfection.
If you can and want:
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