After fertilizer zygote divides to produce a group of cells

Which organelle releases chemicals that break down large food particles into smaller ones?

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?

Why do oceanic plates tend to subduction when colliding with a continental plate