In essence:
I need to vent my anger or the sheer act of hiding my anger will cause me to fall apart.
Answer: This is true
Explanation: According to Socratic, it says "downstream to the riverbed. However, the most common mechanism to produce older rocks on top of younger is by thrust faulting. Thrust faults form where rocks are being compressed, usually by plate tectonic mechanisms. Thrust faults rip up older strata and pile it on top of younger rocks."
Hope this helps!
:D
B. Think about the way the two chunks are said. The second part is more of an added thought, scoffed out. Dashes are perfectly fine where they are. C is definitely incorrect because the second sentence is just a dependent clause. A just doesn't make much sense. Dashes are pauses, breaks in what a person says. They can signal emotional changes, too.