Air is essential for life on Earth. It contains the oxygen we breathe, as well as nitrogen, argon, and other gases.
2. Water
Water is also essential for life on Earth. It covers about 71% of the Earth's surface and is found in oceans, lakes, rivers, and glaciers.
3. Soil
Soil is the loose, top layer of the Earth's surface. It is made up of minerals, organic matter, water, and air. Soil is essential for plant growth and supports a wide variety of ecosystems.
4. Minerals
Minerals are naturally occurring, inorganic substances that have a definite chemical composition and crystalline structure. Minerals are used to make a wide variety of products, including metals, glass, cement, and fertilizers.
5. Fossil fuels
Fossil fuels are the remains of ancient plants and animals that have been buried underground for millions of years. Fossil fuels include coal, oil, and natural gas. Fossil fuels are used to generate electricity, power vehicles, and heat homes and businesses.
6. Forests
Forests are large areas of land that are covered with trees. Forests provide a variety of benefits, including:
* Habitat for plants and animals
* Protection from soil erosion
* Regulation of the climate
* A source of timber and other forest products
7. Oceans
Oceans cover about 71% of the Earth's surface and are a major source of food, energy, and minerals. Oceans also play a vital role in regulating the climate and supporting biodiversity.
8. Atmosphere
The atmosphere is the layer of gases that surrounds the Earth. The atmosphere protects the Earth from harmful radiation from the sun and helps to regulate the climate.
9. Biosphere
The biosphere is the layer of the Earth that is inhabited by living organisms. The biosphere includes the land, water, and atmosphere.