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Sunspots
Sunspots
hmm. maybe you should pay attentin in school(:
A sudden change in weather is caused by an air mass.
Climate change is caused by global warming.
sunspots
Sunspots
Sunspots
Sunspots
Sunspots
Melting is a physical change.
Absorption, reflection and refraction will all change of the movement of P waves. Absorption will reduce the energy of the waves. Reflection will bounce the waves back. Refraction will change the angle of the waves based on what they are bouncing off of.
absorption: having a change in energy from source to the receiver by its medium scattering by particles: occurs without a change in energy, but results in a change in direction of propagation
hmm. maybe you should pay attentin in school(:
Conquest by another city, Athens' encouragement of democracies within it's empire, Athens being stripped of it's empire after it lost the Peloponesian War, absorption by the Persian Empire, liberation from the Persian Empire, and in the west, absorption by a tyrant in Sicily.
Yes, it does to change state
By itself it doesn't.