Who does sex occur. Explain briefly

What does it mean for a cell membrane to be selectively permable

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes

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?