Which best explains why Irving sets "The Adventure of the Mysterious Stranger" in a land of "masks and gondolas"?

A. The setting is symbolic of the idea that a life of quiet study is the ideal pursuit.
B. The setting is symbolic of the idea that innocence cannot be outgrown.
C. The setting is symbolic of the idea that ease and affluence are available to all.
D. The setting is symbolic of the idea that appearances can be deceiving.


Read the lines from "The Tide Rises, The Tide Falls":

"Darkness settles on roofs and walls,
But the sea, the sea in darkness calls;"

The imagery in these lines evokes a sense of:

A. laziness
B. fear
C. mystery
D. despair


Solve for x:

3x = 6x - 2


The positive control for the iodine test was:

A. distilled water.
B. olive oil.
C. albumin solution.



Answer :

Final answer:

The positive control for the lodine test was 10 ml of cooking oil.


Explanation:

The positive control for the iodine test was 10 ml of cooking oil as it confirms the expected reaction when iodine reacts with starch to produce a blue-black color. This control helps validate the test results by showing the color change indicative of the presence of starch.


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