i have filled the boxes with what i know but i dont know what the other possible answer could be can someone help please?

HI !!!
THESE PROPERTIES ARE THE OTHER POSSIBLE ANSWERS!!!
PLEASE MARK IT AS BRAINLIEST
Answer:
Properties of Graphene:
toughness and stretch-ability
stiffness
transparancy
electrical resistivity
thermal conductivity
impermeability
heat conduction
electronic properties
high electron mobility
HOPE IT HELPED YOU