Where are the more dense particles located?

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

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?

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm