Heaps and heaps and heaps and heaps of them!
Statistical data relating to the population and particular groups within it.
Answer:
Birds have remarkably specialized bones that are pneumatic, because they are full of air sacs that provide a continuous flow of breath throughout their bodies. In short, their lungs are essentially hooked up to their bones.
Answer:
As humans require a lot of nutritious food for the growth, same way plants also require nutrients in order to grow. Plants which are grown in the soil gets all the required nutrients from the fertilizers and from the land where natural nutrients are stored.
