The first sentence is referring to a secondary reinforce while
the second sentence is referring to primary reinforce. A primary reinforce are
usually base on biological things such as the water we drink or food that we
eat while the secondary reinforce is base on the conditions that humans is
reinforcing such as money or grades.
Answer:
It killed about 75 - 200 million people
Explanation:
It was a plague that spread across Europe. Hope this helps!
Labor intensive means that humans did the most of the work during the production process ( they handcrafted each products and use slave labors to increase the production)
Energy intensive means that machines did most of the work during the production process. This process started to spread after the early development of industrial revolution.
I would argue yes.The European,but the world.It operates somewhat like its own country, and is even seen to some places of the world as its own nation. The EU has created a more united Europe and has flourished its economy.
Hope this helps you :)