Author Question: The presence of mud cracks in a sedimentary rock is a sign that the rock was deposited:a. in a ... (Read 103 times)

go.lag · **on:** Jul 15, 2018

The presence of mud cracks in a sedimentary rock is a sign that the rock was deposited:a.
in a region that was drying.
b. in a region that was under water.
c. in a desert.
d. beneath a glacier.
e. in a sand dune

Question 2

A well-sorted sediment might consist of:
a. small grains of a variety of sizes (diameters).
b. large grains all of approximately the same size (diameter).
c. grains of moderate but different dimensions (diameters).
d. predominantly round grains.
e. predominantly smooth grains.