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Main sources of internal heat are Magmatism and Radioactivity.
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What are the classification of historical sources?
Primary sources and secondary sources
What is the difference between general reference sources and special reference sources?
differentiate general reference sources and special reference sources with example
What were the internal and external threats that the Tang Dynasty faced?
Internal- Internal Provincial Rivalry External- Attacks from Yunnan and Tibet
Technology and new source of power?
Source from which energy can be obtained to provide heat, light, andpower. Sources of energy have evolved fromhuman and animal power to fossil fuels, uranium, water power,wind and the Sun.
What sources are the original records of an event?
Primary sources.
What is internal and external sources?
What is internal and external sources?
Which of earth's early sources of heat are not major contributors to earth's present-day internal energy?
The sun
Examples of heat sources?
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.
Energy can enter the earth system from internal sources through convection and from external sources through what?
Energy can enter the earth system from internal sources through convection and from external sources through radiation from the Sun (solar energy).
Does geothermal energy come from the sun?
No. It comes from the Earth's internal heat sources. The "geo" part of geothermal means Earth.
What are the sources of frustration?
external or internal sources
What is the source of the energy that powers the earths system?
The Earth system is powered by energy from two major sources: the Sun and the planet's internal heat.
What is the source of the energy that powers the earth's system?
The Earth system is powered by energy from two major sources: the Sun and the planet's internal heat.
What are the four sources of heat?
what are the four sources of heat
What do we understand by cold booded?
Cold-blooded - means an animal lacks the ability to generate it's own internal body-heat. They have to rely on external sources such as the Sun - or (in captivity) heat lamps.
What heat sources causes burns?
All heat sources. Plus extreme cold sources cause burns.
Are all heat sources are light sources?
no
