Dont worry those are just variables. a. and b. is the same as 1 and 2 !
Answer:
This really easy taking antibiotics too often or for the wrong reasons can change bacteria so much that antibiotics don't work against them. This is called bacterial resistance or antibiotic resistance. Some bacteria are now resistant to even the most powerful antibiotics :D hope it helps
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Answer:
The natural home or environment of an animal, plant, or other organism.
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Answer:
how many letters are there before skills?
Explanation:
If there is two spaces then i have the wrong answer
