When did the Ouachita system change sedimentation styles from ...

[mpobi80]

When did the Ouachita system change sedimentation styles from those typical of a passive margin to an active margin?
 A)Late Paleozoic
 B)Early Pennsylvanian
 C)Late Permian
 D)late Devonian
 E)Early Mississippian

Question 2

According to the Milankovitch theory, variations in Earth's orbit and axial tilt can trigger long-term climatic changes and prompt the start and end of ice ages.
  Indicate whether the statement is true or false

[shoemake]

Answer to Question 1

E

Answer to Question 2

True

[mpobi80]

Excellent

[hollysheppard095]

Gracias!