Which one of the following set of statements regarding the overall nature of marine shelf succession is CORRECT?

Q. Which one of the following set of statements regarding the overall nature of marine shelf succession is CORRECT?

Statement I: Transgressive systems tract deposit is deepening upward

Statement II: Highstand systems tract deposit is deepening upward

Statement III: Falling stage systems tract deposit is deepening upward

Statement IV: Lowstand systems tract deposit is overall shallowing upward

(A) I and II

(B) II and III

(C) III and IV

(D) I and IV

Ans: I and IV