What kinds of rocks were most commonly retrieved from the lunar highlands? anorthosite frozen hydrogen flood basalts granite?

Anorthosite  

Explanation:

This is the intrusive rock, and they are composed of calcium. The stones also have crystals that are formed during the Precambrian times. The anorthosite is usually considered to be less abundant in basalt and granite how the complex that involves in its occurrence is immense. The rocks are also composed of plagioclase feldspar which is the oldest rock in the moon. They were therefore formed when the feldspar crystals flooded the magma in the ocean surrounding the moon after its formation.

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answer (a) more rain in u s and less rain in australia and asia