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What is the cause of discoloration in fresh water?

What is the cause of discoloration in fresh water? Correct Answer An algae bloom

Algae blooms are the most common problems encountered by fresh water bodies like lake and pond. Certain forms of algae may harbor toxins. By mechanical and physical intervention we can keep the fresh water clean and clear.

Related Questions

Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is
Which of the following statements are true about water available on earth? A. Only about three percent of total water in earth is fresh water B. Oceans possess 90 percent of the total water on earth C. Water on earth is created fresh from atmosphere D. Glaciers, rivers, springs and ponds are sources of fresh water Choose the correct option.
A greengrocer sells five types of fruits- Apple, Blackberry, Banana, Cherry, and Peach. Blackberry is more fresh and heavier than Peach. Apple is heavier than Banana and more fresh than Cherry. Cherry is heavier than Blackberry, but less fresh than Peach. Banana is heavier than Blackberry, but less fresh than it. Which of the following is the lightest of all the fruits?
Fresh water available on the earth is very little. Out of the total fresh water available, which of the following holds the maximum percentage of the total fresh water.
Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. Quantity A∶  A 30 litre mixture of wine and water has wine and water in the ratio 5∶ 7. How much water must be drawn off so that the ratio of wine and water becomes 25∶ 19? Quantity B∶ A 35 litre mixture of wine and water has wine and water in the ratio 1∶ 3. How much water must be drawn off so that the ratio of wine and water becomes 1.75∶ 3.35? Quantity C∶ A 27 litre mixture of wine and water has wine and water in the ratio 3∶ 2. How much water must be drawn off so that the ratio of wine and water becomes 81∶ 11?
Fresh watermelon contains 75% of water by weight, whereas dry watermelon contains 50% of water by weight. Radhika buys 100kg of fresh watermelons for a total price of Rs. 300. At what price per kg should she sell the dry watermelon (fresh watermelon are dried up) to earn 60% profit?
Bottled water is drinking water (e.g., well water, distilled water, mineral water, or spring water) packaged in PET Bottle or Glass Water Bottles. Bottled water is comprehensively regulated by the U.S. Food and Drug Administration (FDA) as a packaged food product. By law, the FDA regulations for bottled water must be at least as stringent as the Environmental Protection Agency standards for tap water. What inference can be drawn from the above passage?
A fruit seller has apples and mangoes in the ratio of 5 ∶ 7 and the ratio of fresh to stale apples is 7 ∶ 3 and the ratio of fresh to stale mangoes is 9 ∶ 5. If only fresh fruits are sold, then what is the ratio of sold to unsold fruits by the seller?
Consider the following provision in Section 300 of the Indian Penal Code:
Several culpable states of mind are referred to with the:
1. intention to cause death
2. knowledge that the act is so imminently dangerous that it must in all probability cause death
3. intention to cause such bodily injury as the offender know to be likely to cause death of the person to whom harm is caused
4. intention of causing such bodily injury as is sufficient in ordinary course of nature to cause death.
The correct order of the sequence in which they are placed in the provision is:
The ratio of quantity of water in fresh fruit to that of dry fruits is 7 : 2 . If 400 km of dry fruits contain 50 km of water then find the weight of the water in same fruits when they were fresh?