How can answer B help to explain the growing incidence of skin cancer? I suppose what answer B intend to do is to indicate that old people now contributes to the growing incidence of skin cancer. But how about old people 25 years ago? Are they less likely to develop skin cancer? If everything being ...

I usually only miss around 2 to 4 questions on every RC section... however, this passage gave me some SERIOUS issues! I should mention that I spent 9:45 minutes on the 6 questions and luckily only missed 1 out of 6. However, I have rarely felt this unsure and confused about a passage... Am I simply...

Ur explanation is not quite right. "A is the only way to know" is not the same as "A is the best way to know"

I understand author A and B have different concepts about nature. But author B use "natural" to indicate that the national park may appear natural but is actually threatened by invasive plants. So author A is not so fond of considering the national park as natural? So should the "natu...