Answer:
tbh look up some stupid stuff copy and past it thats what i did it only looks for key words
Explanation:
An example of a theory is Evolution, we don't really know 100% how we came to be as we are now, but we do know that 1+1=2 as a fact, same with gravity, we Know it exists because it's what ties us to earth and we can "feel" it, but not Evolution, Evolution is a theory, just like the BingBang
A primary source would be an eye witness account of the event. Someone who seen it happen.
The iron and textile industries played just 2 roles in the Industrial Revolution, textile were originally made by hand in peoples homes when the textiles industry evolved into factory work that became increasingly uniform. When the iron industry took hold a cheaper, easier method to produce cast iron was found. Both iron and steel became essential materials, used to make appliances, tools, ships, buildings.
