Paheli while moving in a forest observed that there was no noise pollution, though lots of heavy vehicles were passing from the nearby highway. Explain why?

Explanation

**Step-by-Step Solution:**

1. **Observation of the Environment:** Paheli is in a forest where she notices that despite heavy vehicles passing on a nearby highway, there is no noise pollution.

2. **Understanding Noise Pollution:** Noise pollution refers to harmful or annoying levels of noise in the environment, often caused by vehicles, machinery, and other human activities.

3. **Reason 1 - Restrictions on Horn Usage:** In forested areas, there are often regulations that restrict the use of vehicle horns. This is done to protect wildlife, as loud noises can scare animals and disrupt their natural behavior. Therefore, vehicles passing by may be moving quietly without honking.

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