Themes in speeches are used to organize the speech to make it easier for the audience to understand.
Answer:
Claim 2 has to be eliminated
The young rock (mountain) becomes old.
Explanation:
All the mountains of the world are either young (high mountains such as the Himalaya) or old (low mountains such as the Pyrenees mountains). The latter is a low mountain range because time has had its erosive effect.
There is no such thing as minerals going from one rock or mountain to the other because there is only one. And it´s young or (becomes) old.
C because it sums up the whole passage
