There's the sun, Obviously. And there's Geo-thermal Energy which is the heat from the earths core, it is released it different ways, geysers, volcanoes, thermal vents.. also radioactive rocks will give of heat
- biothermal/body heat
- solar
- geothermal
- lightning??
The sun is a natural source of heat
the mantle plume There are two source of heat in the earth's interior. The main two sources are fire and breathing heat.
radioactivity
from the beginning of time
from your moms house
What needs a heat source to begin evaporating. Normally the sun is the heat source that evaporates water on the earths surface.
It is a natural source of heat energy
sun
Natural gas is used as a source of heat, from heating homes, to heating water, when something is burned it gives of energy, heat is a form of energy.
sun
The sun is the most natural source of heat that we have in the environment.
Liquefied petroleum gas is a source of heat we use now. If you're asking for a natural source, its obvious; the sun.
Heat, lack of moisture and an ignition source such as lightning.
Any heat source, whether man-made or natural.
-- radio for communication -- 2.5 GHz CW to cook food -- radar -- microwave radio -- light from light bulbs -- heat from infrared heat lamps -- heat from an electric heater -- diagnostic x-ray source -- tanning lamps -- laser light
Natural gas is an eco-friendly and efficient energy source. It is formed when layers of buried plants and animals are exposed to extreme heat and pressure over a long period of time.
Yes, a geyser is natural. A geyser requires three critical elements in order to form: a water supply, a heat source, and the proper kind of underground water circulation system.
Examples of heat sources could be grouped into two (2) based on there origin. They are; 1. Natural Heat Sources. The natural heat sources could be sub-divided into two; a. External Source, e.g Sun. b. Internal Source, e.g Geothermal, i.e. Magma. 2. Man-made Heat Sources. These includes heat generated from; a. Electricity, e.g Electric Cooker and Oven. b. Fire, e.g Coal.