Okinawa was one of the largest single battles in the pacific and also the bloodiest, It would see mass use of Kamikazes, artillery and mass banzai charges, it would ultimately be one of the key arguments against an invasion of Japan.
(PS sorry if this is too lengthy)
Answer:
There is an increase in the number of breaths per minute as activity increases because:
As activity increases, the oxygen needs of cells increase.
Explanation:
<u>When we exercise, our muscles work harder than they do when our bodies are resting. For that reason, the muscle cells need more oxygen - think of oxygen as the fuel we consume; the more we move, the more fuel we need. To provide that extra oxygen the cells need so much, we begin to breathe faster. For that reason, the best option for the question above is: as activity increases, the oxygen needs of cells increase.</u>
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Present progressive is used by combining the verb "to be" with the present participle which is a verb with the ending of "ing." Ex of present participle: running water. For an example, look up "Example of present progressive tense." (Not allowed to copy and paste on Brainly.
