light , gas , electricity
The sun, the moon, and stars are three natural light sources.
The 3 best and simplest ones are the moon,lightning and the sun.
Three natural sources of energy are sunlight (solar energy), wind, and water (hydropower). These sources are renewable, sustainable, and environmentally friendly alternatives to fossil fuels for generating electricity and power.
- Radiation of cosmic origin- Radiation from radioactive elements (and decay products) of the Earth- Internal radiation of organisms
The difference between natural and artificial sources of light is that natural sources are produced by the sun while artificial light sources illuminate using energy from other sources and include incandescent bulbs.
The sun, the moon, and stars are three natural light sources.
The three natural sources of hydrocarbons are petroleum reservoirs beneath the Earth's surface, natural gas deposits, and organic matter found in sedimentary rocks that undergo heat and pressure to form hydrocarbons.
The 3 best and simplest ones are the moon,lightning and the sun.
Three natural sources of sound are animals (such as birds or mammals), weather phenomena (such as thunder or wind), and geological events (such as earthquakes or volcanoes).
Remote sensing is used to pick up variations in electro-magnetics and variations in the forces of gravity. A perspective on natural resources can also be picked up with remote sensing.
The three natural sources of heat and light are the sun, fire, and lightning. These sources provide heat and light through processes such as nuclear fusion, combustion, and electrical discharge.
Coal, oil, and natural gas are the main three nonrenewable primary energy sources.
There are some natural sources of water available. Three of them are lakes, water tanks, and springs. Water is necessary for the survival of both humans and animals.
Petroleum (oil) natural gas and coal
natural sources semisynthetic and synthetic
A= The three main sources are coal, petroleum and natural gas. Source - Wikipedia HOPE THIS HELPED!
What are the three natural sources of high quality protein