Dumping phosphates in our water-ways has been regulated against in recent years

Question

Dumping phosphates in our water-ways has been regulated against in recent years because a Adding phosphates to phosphate deficient water stimulates the rapid growth of water plants which finaly blocks the entrance of sunlight. The plants deprived of sunlight die and decay b Phosphates are toxic to plant and animal life. The addition of phosphates to water kills plants and they decay under water. This creates a smely mess c. Phosphates, in sunlight, react with water to create phosphoric acid which kills plant and animal life d. Phosphates are an important constituent of DNA. The presence of an excess of phosphate in water causes genetic mutation. The large number of weaker mutant strains die and decay

Explanation / Answer

option D must be the correct answer. As phosphates are important part of both animal and plant cell. They are the main constituents of DNA. When they are presence in excess they can cause mutation of any type which may be harmful or beneficial for the cell or an organism.

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