Chemistry, 10.12.2020 06:10, liddopiink1
How do bio-indicators determine the health of a water system?
A) A few species of macro-invertebrates will be present in a healthy body of water
B) many different species of macro-invertebrates will be present in a healthy body of water
C) no species of macro-invertebrates will be present in a healthy body of water
D) there is no relationship between the number of species of bio-indicators in the healthy of a body of water
Answers: 3
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What is the percentage of hydrogen in nitrogen trihydride
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Chemistry, 22.06.2019 17:30, Naysa150724
Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world
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Chemistry, 23.06.2019 04:00, ayoismeisjjjjuan
How many liters of water can be produced from 5.0liters of butane gas at stp, assuming excess oxygen? c4h10(g) + 02(g) → co2 (e) + h2o (g)
Answers: 2
How do bio-indicators determine the health of a water system?
A) A few species of macro-invertebrat...
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