You must look in between the primary colors.
In between blue and yellow, there will be three colors but the one in the middle is the complementary (Green)
The correct answer here would be fermata. This is a musical notation that is also known by numerous names such as a hold, a pause or my personal favorite the cyclops eye. This notation is used to indicate that a note should last longer than its normal duration. And that includes doubling its duration.
The accurate answer is
<span>Frederic Edwin Church began the Hudson river school painting style.</span>
Your answer is c, good luck