A common way that humans pollute water is through the addition of nutrients (fertilizers and sewage) to water as nonpoint source pollution. These added materials are full of nitrogen and phosphorus, two nutrients that encourage the growth of aquatic producers, such as algae.
Composite volcanoes. Had this question on apex:)
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The mutation for sickle cells will start to disappear because there's no benefit to carrying the disease if malaria is cured.
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Answer:
WAG PURO ASA SA SA BRÀINLY ANG SAGOT AY OVERTICALLY
