This is one of my favorite subjects but its been a little bit. I believe it is B. because if you remember many people in unions wanted better conditions for their jobs
I originally thought that it was d, but this is the opposite of perfection, since he thinks he is not doing well. distorted feedback sounds best, people all around have better scores and he'll be convinced that he isnt doing well because of that
Hunter-gathers has better life because they relies on our natural environment on hunting,fishing and foraging for wild vegetation and other nutrients like honey for food . Which is why they are strong and healthy.