The correct options are
A As we move across a plateau, the height changes from place to place.
B Plateaus have tops that appear to be flat.
D Plateaus are elevated landforms
Plateaus are elevated landforms or high-lands. But they are not as high as the mountains. Even the slopes of the plateaus are not as steep as the mountains. As for the top, it looks flat, but it’s really not. As we move across a plateau, the height changes from place to place.