The excess of which of the following gases causes acid

Statement: D > A ≥ R = B ≤ M < U

Conclusions:

I. U > R

II. D ≥ M

If  A = B, C ≥ D, A < D  and   E > B , then which of the following conclusion is true?

Statements: H ≥ D = R > I < M > U > P ≤ N

Conclusion I: H > R

II: P < M

Statement: G ≤ L ≥ O ≥ W ≥ I < N

Conclusion: I. O > G                         II. W < N

Statements: X > O > D; T > M ≥ O; X > R

Conclusions:

I. T > R

II. R < D

Statement: D > T > G > C > M; J > C > U

Conclusion:

I. J > M

II. U < D

Statements: I < W = T ≤ H = C ≤ Y, Y > M ≥ V

Conclusions:

I. Y ≥ W

II. H > V

III. M < T

Statements:  Q ≤ P ≤ R < S, T = M > Q > V

Conclusions:     

  I. T > V 

II.   V < S 

III. Q < T