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dimaraw [331]
3 years ago
14

What substances are hydrogen, covalent, or ionic

Biology
1 answer:
Alika [10]3 years ago
3 0
2 strands of DNA=hydrogen bonds
2water molecules=polar convalent bonds
NACL=ionic bond
H2=ionic
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The theory of plate tectonics:
sertanlavr [38]

A) .was immediately accepted

Explanation:

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Continental drift brainly.com/question/5002949

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3 years ago
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DaniilM [7]
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I will give brainliest to the first person who answers!
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