How is an adolescent brain different from an adult brain?

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?

A(n) is a molecule influences the way that a molecule reacts.

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.