find value of PR and PS using information given in triangle PSR
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Answer:
PR - 10
PS - 10
Step-by-step explanation:
TOTAL VALUE IS 30
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Answer:
Chemical contaminants are chemicals toxic to plants and animals in waterways. The phrase 'chemical contamination' is used to indicate situations where chemicals are either present where they shouldn't be, or are at higher concentrations than they would naturally have occurred.
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