Logan read about snail shells in his science book Which new idea can Logan form now that he has read
the text and seen the photograph?
Snail shells are made from liquid, which might
dissolve in wet weather.
O Predators do not like spiral-shaped objects.
O Snail shells do not change over time.
Snails make their own shells over time, which is why
they have a circular or spiral shape.
Snails make their shells by releasing a liquid that
hardens and forms a protective covering. More liquid is

He leaned his head against the wall; his eyes were shut, his hands clasped in each other, and his body seemed to be sustained in an upright position merely by the cellar-door against which he rested his left shoulder. the lethargy into which he was sunk seemed scarcely interrupted by my feeling his hand and his forehead. his throbbing temples and burning skin indicated a fever . . there was only one circumstance that hindered me from forming an immediate determination in what manner this person should be treated. my family consisted of my wife and a young child. our servant-maid had been seized, three days before, by the reigning malady, and, at her own request, had been conveyed to the hospital. we ourselves enjoyed good health, and were hopeful of escaping with our lives. our measures for this end had been cautiously taken and carefully adhered to. they did not consist in avoiding the receptacles of infection, for my office required me to go daily into the midst of them; nor in filling the house with the exhalations of gunpowder, vinegar, or tar. they consisted in cleanliness, reasonable exercise, and wholesome diet. who is the story’s first-person narrator