1. what is clayton cameron referring to with the pun "a-rhythm-etic? "

Clayton Cameron is referring to the commonality of all beats. Cameron provides a breakdown of various genres of music such as R&B, pop and Latin by making reference to their beats. He demonstrates how the various genres of music rely on math and in the process demonstrates the commonality of all beats

D is the correct answer.

The chart that the politician put up shows a more complicated story than what they would perhaps like to tell.

The chart shows successes and failures and a prudent response would to be ask why Asia shows such success in terms of reforestation.