an plant / inanimate place requires nuts for magnetism
ferromagnetism is magnetism. monoecious_plant is angiosperm. rocks is inanimate_mineral_objects. semiconductor_wafer_layer is inanimate_object. phosphate is inanimate_object. sawdust is natural_inanimate_thing. acer_rubrum is plant. ground is natural_inanimate_thing. daphne_cneorum is plant. agrostemma is plant.