Which words in the sentence are the adverb clause?
it is usually not too hot unless the heater is set too high.

a. unless the heater is set too high

b. not too hot

c. it is usually

d. the heater is set

“what i heard was abominable,” said utterson. “it can make no change. you do not understand my position,” returned the doctor, with a certain incoherency of manner. “i am painfully situated, utterson; my position is a very strange—a very strange one. it is one of those affairs that cannot be mended by talking.” –the strange case of dr. jekyll and mr. hyde, robert louis stevenson write two to three sentences explaining how this passage creates suspense.