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viva [34]
3 years ago
12

Plz answer will give brainliest, no scammers plz

Biology
2 answers:
notka56 [123]3 years ago
4 0

Answer:

conclusion

Explanation:

hope this helps

matrenka [14]3 years ago
4 0

Answer:

1. smoke of industries

2. light-colored

3. dark-colored

Explanation:

did the lab, thats all I remember srry

Have a wonderful day!❤

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A scientist observed a bactirial specimen obtained from mud in a swamp. The bacteria are producing hydrogen sulfide which create
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