The author says that national parks exist so that people can experience America; if they were to remain hidden, their value would be lost.
In order for America to be experienced, these parks must not remain "hidden gems." He argues that these parks "contribute uniquely" to the landscape and is a reminder of "what was" -- i.e., an America that no longer exists in modern
time.
He says that he wants others to experience what he has worked so hard to save. Therefore, these does not want these parks to remain "hidden gems."
Hey there!
First, make sure you know what an abstract noun is.
Abstract Noun-<span>a noun denoting an idea, quality, or state rather than a concrete object.
</span>
In this case, the answer is D(Logic is easily understood)
I'm just doing this for the points
The real answer on Edg. is A) the quality of being unchanged from the original state
The answer would be an echo because the echo is a reflection of your own voice. Which is why an echo can ‘speak without a mouth and hear without ears.’ However, an echo is only heard when the wind conditions are optimal, so it ‘comes alive with the wind.’