Sarah appeared serene as she bowed in front of the massive crowd, however, her hands betrayed her with their almost invisible—but constant- shaking.
identify the context clue and its function in the sentence above.
a. the work invisible signals that sarah was serene.
b. the word however signals that sarah is actually nervous.
c. the word constant signals that sarah is actually serene.
d. the word almost signals that what is being said about sarah is false.

(B) The word however signals that Sarah is actually nervous.

The sentence shows that even though she appears serene, her body language betrays her and we can see that her hands are shaking uncontrollably.

appeal to ethos is your answer.

some attention getter quotes to support your thesis regarding brain work could be the following: :

a. storage capacity of your brain is virtually unlimited.

b. your brain produces sufficient electricity to light-up a small bulb.

c. different brain circuits are involved with reading aloud or silently.

d. your brain by itself does not feel pain.

e. reading allows your brain to download info directly.

f. brains of two musicians performing together can synchronize.