Answer:
a theory or system of social organization that advocates the ownership and control of the means of production and distribution, capital, land, etc., by the community as a whole, usually through a centralized government.
Variations in air pressure from place to place are the principal cause of wind.
Answer:
25000 J
Explanation:
Work can be calculated with the equation: Work = Force × Distance. The SI unit for work is the joule (J), or Newton. meter (N. m).
Answer:
Nuclear Fusion that takes place between hydrogen atoms.
Explanation:
The energy comes from the sun and the sun is mostly made up of hydrogen and helium atoms. The sun generates energy from nuclear fusion.
Hydrogen is being converted into helium in the core of the sun. This is called nuclear fusion.