The study was based on the _____ of gravity :
APrincipal
BPrinciple
CPrincipel
DPrinsipal
APrincipal
BPrinciple
CPrincipel
DPrinsipal
Related Questions:
Identify the wrongly spelt word/s.
Select the correct spelling of the underlined word in the given sentence.
After their disagreement, they decided to saparate their belongings and part ways.