Answer:
Air speed of bird is 
mph
Explanation:
let the speed of the bird in still air be "X"
Speed of the bird when it flies in the direction of flow of wind 
Speed of the bird when it flies in the opposite direction of flow of wind 
The total time taken is equal to 
minutes
hours
The distance in miles is equal to 
miles
On solving the above equation, we get -
Air speed of bird is mph
Answer: the major function of mucus is to protect the lung through mucociliary clearance against foreign and chemicals entering the lung.
Explanation:
Population- members of one species living in a particular area
<span>The most affected organelles are the mitochondria. Since the movement is energy mitochondria provide the energy needed for the muscle tissue contraction using up ATP in the process. And since oxygen is needed for the production of ATP when consumption of ATP is ramped up it also needs more oxygen to replenish the ATP consumed in exercise. Hence the accelerated breath.</span>
