According to the passage, what is to be expected every time lightning strikes?
People will be killed or injured.
A rainbow will be seen.
Thunder will follow shortly after.
The region will be hit by drought.
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Lightning is a phenomenon that happens in all thunderstorms and is accompanied by a loud sound. When lightning strikes close to where we are, it will sound like a short, loud bang or snap. But if lightning strikes far away from where we are, we will hear a longer-lasting rumbling sound. This is because the sound will travel progressively, at different times. Thunder, the loud sound that accompanies lighting, can usually be heard up to ten miles away.
Lightning starts from 15,000 to 25,000 feet above sea level. There, raindrops move upward until some of them change to ice. For reasons on which scientists do not all agree, a flash of lightning forms in this area of water and ice. The electrical charge then moves downward in steps, producing a channel along which the electrical charge moves. Eventually, it finds something on the ground it can connect with. This completes the circuit, and the charge can move from the cloud to hit the ground.
Cloud-to-ground lightning can kill or injure people directly or indirectly. Lightning might bounce off a tree or other object and then onto a person. Lightning may also cause objects to explode or burn. All precautions should be taken to seek shelter during thunderstorms.
However, thunderstorms are not completely negative occurrences. Thunderstorms can provide much-needed rain to a region after a drought. Also, a thunderstorm can also bring one of the most pleasant natural occurrences—a rainbow.