Read the procedural text. Preparing a Wet-Mount Slide

Purpose: to view aquatic specimens under a microscope by suspending them in fluid
Materials: concave slide, cover slip, water, tweezers, pipette, paper towels, specimen
Steps in the procedure:
Use pipette to place a drop of water in the concave center of the slide.
Use tweezers to position the specimen in liquid.
Place one side of the cover slip on slide at the edge of the concave center.
Lower the cover slip slowly over the center and remove any water with the towel.
What question will a reader who is unfamiliar with scientific equipment most likely ask?

A. What is a pipette and a concave slide?
B. How long does the procedure take?
C. Why do people prepare wet-mount slides?
D. What is the purpose of the paper towels?

Armed with invisible ink, a cipher system, and a passion to end the war and preserve the union, elizabeth van lew became butler's eyes and ears in the confederate capital city. truth be told, however, she became much more than that. she became a spymaster, the person responsible for running a network of agents, couriers, and safe houses that was very active during the war. in addition to the spying, elizabeth van lew continued to maintain her church hill home as a safe house and something of a local union spy headquarters. —the dark game, paul janeczko what is the central idea of this passage? van lew’s home was used as a safe house, which was critical to the confederacy. van lew had a passion to end the war and preserve the union. van lew was a spymaster, a leading force in the espionage activities for the union. van lew did not enjoy working for general butler.