Question

question 32 what evidence supports the idea that mercury once shrank by some 7 - 20 km in radius? the many long, tall cliffs called rupes the presence of many impact craters mercurys unusually high density the characteristics of caloris basin

Explanation:

The long, tall cliffs (rupes) on Mercury are thought to have formed as the planet cooled and shrank, causing the surface to wrinkle and crack. Impact craters are related to impacts, high - density is about composition, and the Caloris Basin is related to a large - scale impact event, not directly to shrinking.

Answer:

the many long, tall cliffs called rupes