C because the heart and lungs are involved with gases
Answer:
number 1 is b and and number two d
Explanation:
2.96804 moles that’s the answer. hope it helped
Answer:
Speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. On the other hand, velocity is a vector quantity; it is direction-aware. Velocity is the rate at which the position changes.