Limestone may be made up of
A) fragments of granitic and andesitic rocks.
B) animal bones.
C) shell fragments from marine animals.
D) plant debris.
Question 2
As rock is weathered it breaks down and erodes. Sedimentation begins where erosion stops. Erosion is
A) disintegration and fragmentation of rock into smaller pieces.
B) a chemical process.
C) decomposition and alteration of rock material.
D) transportation of rock particles via water wind or ice.
