Which of the following elements is not taken up from the soil?

One day several boys were playing at the edge of a pond in which lived a family of frogs. The boys abused themselves by throwing stones into the pond so as to make them skin on top of the water. Th...

Once upon a time, a man had a wonderful parrot. There was no other parrot like it. The parrot could say every word, except one word. The parrot would not say the name of the place where it was born. T...

Once upon a time, a man had a wonderful parrot. There was no other parrot like it. The parrot could say every word, except one word. The parrot would not say the name of the place where it was born. T...

One day several boys were playing at the edge of a pond in which lived a family of frogs. The boys abused themselves by throwing stones into the pond so as to make them skin on top of the water. Th...

Once upon a time there lived three neighbours in a beautiful village. Three of them were diligent farmers. At one time the three neighbours were having trouble with their crops. All three fields ha...