Imagine doing an experiment to test which type of liquid causes radish seeds to germinate the fastest. If you put the containers in as close to the same place as possible, but there still might have been a slightly different amount of sunlight coming in through the window, would your experiment be valid?

Coal i believe hope this

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

Sorry i dont understand the question can you rephase it?