(A): Diamond is harder than silica (R): The Si-O-Si bonds in silica are weaker than C-C bonds in diamond

(A): Diamond is harder than silica (R): The Si-O-Si bonds in silica a

1.	(A): Diamond is harder than silica (R): The Si-O-Si bonds in silica are weaker than C-C bonds in diamond
Answer» A and R are true, R explains A A and R are true, R does not EXPLAIN A A is true, but R is FALSE A is false, but R is true Answer :B