1.how do clastic sedimentary rocks form?
a solid chemicals in water harden and form rocks.

b fragments of rock are squeezed and cemented together.

c plant and animal remains are squeezed and cemented together.

d lava cools and hardens into rock.

2.which option gives two examples of clastic sedimentary rock?
a coquina and shale

b shale and sandstone

c limestone and sandstone

d coquina and limestone

3.a geologist finds a section of rock that shows ripple marks.

what does the presence of ripple marks say about the area where the rock formed?

a the rock formed under earth’s surface at very high temperatures.

b the rock formed from mollusk shells.

c the rock was blown out of a volcano.

d the rock formed in a fast-moving stream.