Introduction:
People are aware of many things in their surroundings. These include the sun, air, and water, among other things. All of these elements play a vital role in our daily lives and are essential for our existence.

Explanation:
Sun:
The sun is a well-known celestial body that provides light and heat to the Earth. It is visible during the day and is a significant part of our daily lives. People are aware of the sun and its importance in various aspects, such as agriculture, weather, and energy production.

Air:
Air is the invisible mixture of gases that surrounds the Earth. It is composed of nitrogen, oxygen, carbon dioxide, and other trace elements. People are aware of air because they breathe it every moment. We are conscious of its presence and its necessity for our survival. Additionally, air is crucial for various human activities, such as transportation, communication, and recreation.

Water:
Water is a vital resource that covers a significant portion of the Earth's surface. It exists in various forms, including oceans, rivers, lakes, and glaciers. People are aware of water and its importance in our daily lives. Water is essential for drinking, agriculture, hygiene, and many other purposes. We are conscious of the need to conserve water and ensure its quality for a sustainable future.

All of the above:
All people are aware of the sun, air, and water. These elements are fundamental to our existence and are taught and understood from an early age. They are commonly discussed in educational institutions, media, and everyday conversations. The awareness of these elements is not limited to any particular region or culture but is universal.

Conclusion:
The sun, air, and water are elements that all people are aware of. Their importance in our daily lives and their presence in our surroundings make them well-known and understood by individuals of all ages and backgrounds.