Are all natural resources inexhaustible?

Explanation

**Step-by-Step Solution:**

1. **Understanding Natural Resources**: Natural resources are materials or substances that occur in nature and can be used for economic gain. They can be categorized into two main types: inexhaustible and exhaustible resources.

2. **Definition of Inexhaustible Resources**: Inexhaustible resources are those that are abundant and cannot be depleted regardless of how much they are used. Examples include sunlight and wind. These resources are continuously available and will not run out.

3. **Definition of Exhaustible Resources**: Exhaustible resources, on the other hand, are limited in quantity. They can be depleted if they are overused. Examples include fossil fuels such as coal and petroleum. Once these resources are consumed, they cannot be replenished within a human timescale.

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