a
Explanation:
The euro is the official currency of 19 of the 27 member states of the European Union.
C. Is a Factual Statement
This one is tricky, because scientific law can explain an observation, or be used to make a prediction, but I believe that C. is the most correct of the 4 answers.
The correct option is D
<span>They do not usually lessen competition in the marketplace.</span>
Vertical and conglomerate mergers do not usually lessen competition in the market. This is because conglomerate and vertical involves merging of unrelated product firms. With horizontal mergers however, merging involves firms producing similar products thus lessening competition.
The Enlightenment<span> (also known as the </span>Age of Enlightenment<span> or the </span>Age of Reason). <span>was an intellectual and philosophical movement which overthrew the world of ideas in Europe during the 18th century.</span>