Answer:
I believe the answer is B.
Explanation:
Answer:
i think Marco should replace ''ever again'' with ''very often''
Explanation:
''potato chips'' wouldn't really change the sentence, ''this week'' would only lower a few calories but he want to <u>improve</u> his body, and never eating junk food again is probably impossible so the only option left is: ''very often''
Answer:
Explanation:
inspiration 1. inspiratory muscles contract. ...
inspiration 2. thoracic cavity volume increases.
inspiration 3. lungs are stretched. ...
inspiration 4. intrapulmonary pressure drops.
inspiration 5. air flows into lungs down pressure gradient until pulmonary pressure is 0.