Would you please tell me how should I understand that "that" is referred to cylindrical intrusions? Well, the "are" after "that" is referred to a plural noun. But can I trace it with "OF" sequence? "Formed of cylindrical intrusions of molten material". I need a always-worked method, if there is any!
Thanks! "Though natural diamonds are created at great depth below the surface of the earth, they are brought much closer to the surface by means of geological formations called diamond pipes. Formed of cylindrical intrusions of molten material from deep within the earth that are somewhat similar to the geological formations that supply molten lava to active volcanoes. ..."
Top answer
Hmm. I think I made a mistake there! Should I said "always-working" instead of "always-worked"?
— Yeganeh
Hmm.
I think I made a mistake there!
Should I said "always-working" instead of "always-worked"?
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