Which of these four numbered features on the surface or in a cave can be formed by the dissolution or collapse of limestone?
A)1 and 2
B)2 and 3
C)3 and 4
D)1 and 3
E)1 and 4

Question

Which of these four numbered features on the surface or in a cave can be formed by the dissolution or collapse of limestone? 
A)1 and 2 
B)2 and 3 
C)3 and 4 
D)1 and 3 
E)1 and 4

Quizplus · Accepted Answer

The Answer of Which of these four numbered features on the surface or in a cave can be formed by the dissolution or collapse of limestone? 
A)1 and 2 
B)2 and 3 
C)3 and 4 
D)1 and 3 
E)1 and 4

Which of These Four Numbered Features on the Surface or in a Cave