it would be C or D hope I helped
A semicolons NEVER should be used to try to create a "pause" longer than that achieved by a comma. If you can use a period correctly, then you can use a semicolon correctly. A semicolon is used just like a period, but it is used to separate two complete sentences when the sentences are closely related in meaning.
C. Opposing signal.
Like the opposing side the opposite
Answer:
Geologists admit that predicting geysers with complete accuracy is not possible.
Explanation:
Geysers are very fickle because it is not yet possible for geologists to accurately predict their functioning, with the exception of the Old Faithful geyser.
As you may already know, geysers function as a volcanic activity, however expelling jets of water and not lava. These water jets are caused when the pressure of the groundwater increases to the point of overcoming the pressure of the water column, the result of which is the high expansion of the groundwater that causes their expulsion to the surface.