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Stella [2.4K]
3 years ago
5

What is an indication that a lake is healthy?

Chemistry
2 answers:
N76 [4]3 years ago
7 0

Answer:

D

Explanation:

As bioindicators are the organism that indicate or monitor the health of the environment

Inessa [10]3 years ago
5 0

Answer:

is D

Explanation:

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PLEASE HELP ASAP What is the best name for this molecule? Explain your naming process.
Evgesh-ka [11]
Answer is: 4-ethyl-1-heptene.

Structure of this alkene is in Word document attached.
<span>First find main chain with longest number of carbon atoms, that is chain with seven carbon atoms and it start on the right and going up the three-carbon attachment.
Main chain has double bond between first and second carbon (</span><span>the lowest number)</span><span>, so it is 1-heptene (alkene).
</span>Substituent is on fourth carbon atom, it is alkyl group with two carbon atoms (ethyl).
Download docx
6 0
3 years ago
Superstition or science
Nesterboy [21]

Answer:

superstition

Explanation:

Because there is no scientific reason behind it and no connection of it to science.

3 0
3 years ago
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Sunny_sXe [5.5K]

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Explanation:

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3 years ago
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Jlenok [28]

Explanation:

conduction involves the transfer of molecules due to the movement of particles

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