Which of these is a proper way to change the following sentence to passive voice? Geologists determined that the shine coming from the rocks had a greater frequency than they thought. (1 point)
The shine coming from the rocks was determined to have a greater frequency than geologists thought.
Geologists determined that the shine from the rocks had a greater frequency than they thought.
The shine coming from the rocks had a greater frequency than geologists thought.
Geologists determined shine coming from the rocks with a greater frequency than they thought.