Explanation:
The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it's added from the outside. ... is the heat added to, or removed from, the system.
The empirical formula for this would be FeS
Auroras occur when ions from the Sun strike air molecules, causing them to give off bright colors of light.-google
It is a physical change because you can not put it back like it was
Answer:
Global warming causes sea-level rise as oceans expand, and makes storm patterns more energetic. Consequently it will affect most of the world's coastlines through inundation and increased erosion.
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