Heads Up: I don't remember reading this article, but I'll do the best I can to help
Answer:
I'd say the answer is 
Part 1. (D) Young people join the current environmentalist efforts
Part 2. (B) "Students across the planet who were concerned about climate change began making their voiced heard"
 
        
             
        
        
        
Answer:
Everyone is a communication expert.
Explanation:
As per the given statistics as a deduction of the survey conducted by the 'National Communication Association' of the American adults which states that '91% of American adults have graded their communication skills above the average mark' which implies that almost 'every adult(American) is an expert in communication'. A survey primarily intends to assess the thoughts or opinions of a specific group of people and present them in a statistical form to reach rational and worthy judgments or deductions. Therefore, <u>the given survey(if truly conducted) clearly discloses that majority of America's young population is a pro in communication and possess the sufficient communication skills to convey their thoughts or ideas constructively and skillfully.</u>
 
        
             
        
        
        
I believe the answer is the last one. I am sorry if I am wrong but plz mark me brainliest if u can. i need it badley. Hope this helped!