THE main cause of water pollution are fertilizers and nutrient pollution<span>. Some of the pollutants that are most prevalent in the manure, sewage and chemical fertilizers are Nitrates and phosphates. These pollutants run into the streams and rivers causing excessive growth in aquatic plants and algae leading to clogged waterways and dead zones.
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Answer:
1 mile
Explanation:
A fifth-grader is expected to run about 1 mile at the least and then he would need to rest.
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Tooth decay and gum disease can lead to serious health problems, including brain or heart infections. A growing number of older adults have something to smile about: research shows they're keeping their teeth longer.
Answer:
Purging.
Explanation:
Purging occur in people who suffer from both bulimia and anorexia nervosa.
Which means, after they're done with consuming their food, they will either vomit or push the food out with the help of laxatives and/or diuretics. When it comes to their weight, it's usually on the border between normal and sometimes underweight. Purging is extremely unhealthy as it removes all the nutrients and fluids our body needs in order to function well.