I would honestly say C. All others have ingredients in them that makes them work, the combination of stuff to put out the fire, film is made from a certain material and drugs are an ovbious mixture. Looking at the stars is the only thing you don't need chemistry for.
Answer:
It would be the innate immune system or just the immune system
Explanation:
:)
Density will be mass/volume= 0.2/500 = 0.0004
I believe it is D because it is giving data about the garlic while the other answers are observations of the garlic