Make a short research proposal about a specific socia issue

How are rocks that cooled within magma chambers found on earth’s surface today? they are pushed up by magma under earth’s surface. they are revealed by erosion of earth’s surface over time. they are pushed to earth’s surface because of their larger size. they are revealed at earth’s surface due to their low density.

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

What are the 3 types of artificial cloning