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Why don’t trees grow on mountain tops?

Trees do not grow on mountain tops either because the situation is too exposed, or because the soil is too thin or too frozen to allow their roots to draw nourishment from the ground. In most mountainous areas there is usually a clearly marked timberline, a boundary above which there is no tree growth. Sometimes the height of the timberline …

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Why don’t cranes topple over?

Cranes do not topple over because their jibs or booms are counter balanced at the opposite end from the the lifted load, thus keeping the center of gravity over the base. The first cranes were simply long poles fixed in the ground at an angle, with a pulley at the top through which passed a rope. They were called “cranes” …

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Why don’t Birds on a wire get a shock?

Now how is that possible? The fact is, for a living creature to get a ‘shock’ there has to be a substantial flow of current through the body. However, there is barely any current running through the bird’s body for two reasons. Firstly, the bird not only forms a circuit with the wire, but it also offers a high resistance …

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Why doesn’t distilled water conduct electricity?

Distilled water does — but very little compared to piped, well or salt water. The reason is that the way a liquid conducts electricity is by the positively or negatively charged ions that are actually moving from one of the electrodes to the other, carrying charge (electricity) with them. Salt water has salt in it, NaCl, which readily ionizes or …

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Why doesn’t our stomach get digested?

All the food we eat goes into our stomach. Here, it is broken into smaller and simpler substances and get absorbed into the blood. Then, the blood carries these food particles to the different cells of the body, where they are used to provide energy to our body. How is food broken into smaller particles? When we eat, the glands …

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