Mechanical movement and Chemical reaction.
Air is transported into your lungs by the mechanical movements.
Oxygen is used during chemical reactions that release energy in your cells..
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Answer:
A pregnant woman would need to avoid food that has foodborne illnesses like salmonella
Answer- C
Explanation- I’m a chef trust me
There are many signs, this may help you with your answer https://www.drugabuse.gov/publications/principles-adolescent-substance-use-disorder-treatment-resear...