Biology
19.06.2020 07:13
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What best determines the health of a lake used as a source of freshwater?
What best determines the health of a lake used as a source of freshwater?
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lclaudettecarte4720
4,7(12 marks)
The number of pH, the closer the number it is from 7 the more fresh it is. If the pH is lower than 7, then it's acidic, and if the pH is higher than 7, then it is a base
Jordandenzel
4,9(70 marks)
Reinforcement is the process by which natural selection increases reproductive isolation. Reinforcement can occur as follows: When two populations which have been kept apart, come back into contact, the reproductive isolation between them might be complete or incomplete. If it is complete, speciation has occurred.
Explanation:
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