A student observed the effect of two different concentrations of salt solution on blood cells. The student added each concentration of salt solution to one of two microscope slides, and then a small drop of fresh blood was added.
Each slide was viewed using the high power lens of a microscope and the student’s observations were recorded.
slide 1: No red blood cells were visible.
slide 2: The red blood cells were visible but looked slightly crinkled.
Which option correctly explains the results obtained?
A
2 )
B
3 )
C
4 )
D
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