Answer:
D.It gives it a more adventurous tone
Explanation:
Perilous is a word that expresses adventure, risks and danger, perilous is often used to described a journey that can be full of dangers and unknown things, that is why the use of the word perilous on the paragraph gives it a mor adventurous tone, because of the correlation that a risky and dangerous trip has with adventure.
The job that might be held by someone in a mid-level caste is :
Doctor
Housekeeper and farmer held by those in lower-level caste, while priest is held by those in upper-level
hope this helps
C. River Valleys.
There was much more vegetation and fertility.
That would be a hydrocarbon society, I believe.
