Sunlight, water, and air are abiotic components.

Explanation:
Sunlight, water, and air are essential factors for the survival of living organisms. They are considered abiotic components because they are non-living elements that affect the living organisms in an ecosystem. Let's discuss each of these components in detail:

1. Sunlight:
- Sunlight is a form of energy that comes from the sun.
- It provides the primary source of energy for almost all life on Earth through the process of photosynthesis.
- Plants and other autotrophic organisms use sunlight to convert carbon dioxide and water into glucose and oxygen.
- This glucose is then utilized by plants as a source of energy to carry out various life processes.
- Sunlight also plays a crucial role in maintaining temperature, seasonal changes, and the water cycle.

2. Water:
- Water is another essential abiotic component for life.
- It is required by all living organisms for various physiological processes.
- Water is a universal solvent and is involved in various chemical reactions within cells.
- It helps in the transportation of nutrients and waste products within organisms.
- Water also plays a vital role in regulating body temperature and maintaining the moisture content of organisms.

3. Air:
- Air is the mixture of gases present in the Earth's atmosphere.
- It consists mainly of nitrogen, oxygen, carbon dioxide, and traces of other gases.
- Oxygen is crucial for the process of respiration, which provides energy to living organisms.
- Carbon dioxide is essential for photosynthesis in plants.
- Air also carries other substances such as pollen, spores, and pollutants that can affect the health of organisms.

In conclusion, sunlight, water, and air are abiotic components because they are non-living elements that are vital for the survival of living organisms. They provide energy, nutrients, and other essential factors necessary for the functioning of ecosystems.