2. Give reasons.
(i) Ocean water is salty.
(ii) The quality of water is deterioting
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(i) Ocean water is salty. Answer: Ocean water contains large amounts of dissolved salts. Hence it is salty.
(ii) Water quality is deteriorating because of pesticides, toxic and hazardous wastes, litter and rubbish, decayed organic materials and chemicals.
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Ocean water is salty.
Answer: Ocean water contains large amounts of dissolved salts. Hence it is salty.
The quality of water is deteriorating.
Answer: Water quality is deteriorating because of pesticides, toxic and hazardous wastes, litter and rubbish, decayed organic materials and chemicals.
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