POSSIBLE If the electromagnet in the PhET simulation is disconnected from the battery, the compass needle will

not move
flip directions
point north
point south

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a

vegtables oil and potato oil