Which one is it? PLEASE HELP IM REALLY STRUGGLING

EARTH SCIENCE

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Which sequence of transformations on preimage ∆abc will not produce the image ∆a'b'c'? a. reflection across the line y = x b. rotation 180° clockwise about the origin followed by a reflection across the line y = -x c. reflection across the x-axis followed by a reflection across the y-axis d. reflection across the line y = -x followed by a rotation 180° counterclockwise about the origin e. reflection across the y-axis followed by a rotation 90° clockwise about the origin

The process by which liquid water changes into water vapour is called what ?

In a class of 20 students, what democratic form of governance makes the most sense