The best option would be the <span>C) increased used of electrical appliances.
Hope this helps...
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<span>The new industrial class was filled with people who built factories, bought machinery, and figured out where the markets were.
In the new industrial era, most middle class will always made an effort to make innovation for new products/service that could be mass-produced for the market. This will led to them using various type of machineries and factories and will constantly to see the trend in public in order find inspiration for the products</span>
Fossil probable cuz they sometime contain them inside, that is how rocks r form, when they compressed.
I think the answer would be A I just had it and got it right
