What is the role of carbonic acid in chemical

Statements:

A ≥ Z > B ≥ Y; C > B ≥ W

Conclusion:

I. A > W

II. C > Y

Statements: F ≥ G < H = I; J < I; K > L = F

Conclusions:

I. I > K

II. G < L

III. L ≥ G

Statements: Q ≥ R > U; R ≤ S; U ≥ B

Conclusions: I. U < Q II. S > B

Statements: P % Q, P $ R, Q # S, R @ T

Conclusions:

I. R $ Q                     

Statements:          K @M,   L #M,  L$W,  W%X

 Conclusions:          

I.K%L   

Answer the questions based on the information given below.

A @ B means A is not smaller than B

Statement: A≤B ≤C>D ; E<D ;F>E

Conclusions:

I. D>A

II. E<C

Statements: A < B ≤ C ≤ D; A > E = G ≥ I; D ≤ H = J < F

Conclusions:

I. F > C

II. H > I

III. B < J

Statement: E ≤ F; E ≤ H; F = P; H < S

Conclusion:

I. S ≤ F

II. P ≥ S