Your friend is struggling to create an "if ,and ,"then, how would you explain the procces of creating a good "if, and,"then statement?

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.

What is the process of pulling apart an n2 molecule nevermind i got it

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.