What two main gasses are exchanged during the process of breathing??
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As for me, there are two suitable answers for the question represented above and here is a short explanation why I consider these two to be correct :
D. The horizontal velocity of the projectile and <span>B. The length of time before it lands
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-- this led me to answers! Hope everything is clear! Regards!<span>
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D. The horizontal velocity of the projectile and <span>B. The length of time before it lands
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