Explanation:

- Option 1: Biotic environment

This includes all living components, such as plants, animals, bacteria, and humans. Biotic factors are critical for ecosystems as they interact with each other and the abiotic components.

- Option 2: Abiotic environment

This refers to the non-living components of an ecosystem. It includes air, cloud, dust, land, mountains, rivers, temperature, humidity, water, water vapor, sand, and other physical and chemical elements that affect living organisms. Your answer is right.

- Option 3: Artificial environment

This includes man-made structures or systems, like cities, buildings, or controlled environments such as greenhouses, not typically focused on natural elements.

- Option 4: Healthy environment

This refers to an environment that supports well-being and balanced ecosystems, involving both living and non-living components in a state of health.

The correct answer is Option 2: Abiotic environment which refers to non-living components.