Answer:
The capacity of a body to do work is called energy .
the various sources of energy are sun, water, air fuel ,etc.
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Answer:
1.) 36 alien civilizations could communicate with us.
2.) The nearest alien could be on Mars which is 54.6 million kilometers
away.
3.) No I don't agree. There could be millions of alien civilisations out there that we haven't found because space is so big.
None Learn with flashcards, games, and more — for free. ... an economic system (Europe in 18th C)based on a nation exporting more goods than it imports ... a dramatic rise in prices ..
Apartheid was a South African system of segregation by race.
Under this system many people of African decent faced discriminatory and oppressive political and economic practices.
