Such changes in the course of streams are common in countries subject to earthquakes and to the disruption caused by volcanic agency.
The incident proves the relation of these Baths of Hercules on both sides of the strait to each other and to volcanic agency.
What reason can we possibly assign for those salt lakes which are above or below the sea-level and are perfectly solitary, and which have no communication with the sea or with rivers, if they are not phenomena resulting from volcanic agency?
They are supposed to have been upheaved from the bottom of the sea by volcanic agency, but they are not themselves volcanic in their nature, neither are they of coral formation.
They are supposed to have been upheaved from the bottom of the sea by volcanic agency; but they are not themselves volcanic in their nature, neither are they of coral formation.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "volcanic agency" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
