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TEA [102]
3 years ago
5

What gases are exchanged in the lungs during breathing

Biology
2 answers:
krek1111 [17]3 years ago
6 0
It's oxygen and carbon dioxide
IgorLugansk [536]3 years ago
3 0
I believe it is oxygen and carbon dioxide
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miss Akunina [59]

Answer:

Independent variable: Glass of milk

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Explanation:

Independent variable in an experiment refers to the variable that the experimenter manipulates or changes in order to get a response in another variable (dependent). In this case, the independent variable is the GLASS OF MILK taken before bed.

Dependent variable is that variable that is measured in an experiment. It is the variable that responds to the changes made to the independent variable. In this experiment, the dependent variable is the TIME OF SLEEP of the students.

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3 years ago
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