Author Question: Wave-formed ripple marks ____. A)tend to have symmetrical profiles B)are good indicators of ancient ... (Read 86 times)

tiffannnnyyyyyy · **on:** Jul 13, 2018

Wave-formed ripple marks ____.
A)tend to have symmetrical profiles
B)are good indicators of ancient current directions
C)have a gentle slope and a steep slope
D)form in undisturbed deep-sea sedimentary environments
E)form when clay-rich sediment dries and shrinks

Question 2

Major copper deposits are associated with oolitic limonite and hematite in Jurassic rocks of Western Europe.
Indicate whether the statement is true or false