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mr_godi [17]
3 years ago
14

Pls hlp me with these questions: brainliest, ratting, thx, etc.

Chemistry
1 answer:
daser333 [38]3 years ago
4 0
1 elements
2 they have same number of valence electrons
3 period
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This is the correct answer please give me 5-star and likes

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A person who exercises vigorously several hours a day might take in about 22 m3 of air per day. A tree about 33 m tall and 0.55
Maurinko [17]

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<u><em>95 people can breath with five such trees supplying oxygen.</em></u>

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Tree diameter : 0.55 m

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