The answer is 4. (All of The Above)
The history<span> of photovoltaic </span>energy<span> (aka. </span>solar<span> cells) started back in 1876. William Grylls Adams along with a student of his, Richard Day, discovered that when selenium was exposed to light, it produced electricity.</span>
Answer: The style of art used as a means of spreading Christianity during the Counter-Reformation was; Baroque
Explanation: