The correct option is A.
From the passage given above, it can be seen that, Carnegie had the opportunity to work together with Thomas A Scot during the civil war. During this time, he noticed a boom in the iron industry, this made him to resign after the war and he started his own company which specialized in building iron bridges.
Answer:
<em>Here</em><em>,</em>
<em>x</em><em>=</em><em>8</em>
<em>the</em><em> </em><em>value</em><em> </em><em>of</em><em> </em><em>3x</em><em>=</em><em>3</em><em>×</em><em>8</em>
<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>24#</em>
Laughter evolved at two different point in human development. First, they posited, at a point sometime sometime between 2 million and 4 million years ago, came Duchenne laughter, the kind triggered by something funny
Explanation:I was curious too and searched it on goggle lol