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IRINA_888 [86]
3 years ago
11

Which phylum to not have an internal or external skeleton or shell?

Biology
1 answer:
loris [4]3 years ago
8 0

Explanation:

What is the name of this website

or the book?

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The correct one is D.
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What 2 things are produced by neutralization
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neutralisation is the process of converting an acid or a base into the pH value 7.The 2 things produced r hydrogen gas and a salt.

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What is an enzyme? Explain some characteristics of enzymes.
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Answer: Enzymes are macro molecular biological catalysts that accelerate chemical reactions.

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pochemuha

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Explanation:

So, What Happens if Pollution Continues to Increase? ... Breathing air pollution hampers the functioning of lungs among healthy people resulting in respiratory inflammation and heart problems. Living in a polluted area and breathing toxic air increases the risk of cancer. Air pollution weakens the immune system

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