Answer:
Which is not a characteristic of a person with cystic fibrosis?
Lack of pigment
Explanation:
cystic fibrosis affects cells in the digestive system and lungs as it has nothing to do with the skin pigment
50000
number of paramecium in 1 gallon of water = 50
number of paramecium in 1000 gallons of water =
1000× 50 = 50000
no 1. A is the answer
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cartilage?
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