Which of the following plates covers the largest surface area on Earth The edges of the continents
Mid-oceanic ridges
Transform faults
Explosive volcanic eruptions

i think it is true since you can test the answer and can use observations to complete it.

alchemy hadn't scientific methods of study, appeal to mysticism and fantasy, the knowledge of chemistry and physics were modest at that time.

alchemy was - but as new rules were discovered it either changed into chemistry or it became "unscientific".