Answer:
Turbines are turned by the wind to make electricity
Step-by-step explanation:
Structure of passive tense sentence is,
Object + be verb + verb in past participle+ by + Subject
This sentence is given in active voice
The wind ( subject ) turns ( verb) turbines (object) to make electricity
Now lets make the sentence into to passive
Turbines (object) are ( be verb ( this sentence is given in present tense)) turned (verb) by the wind (subject) to make electricity
hope this helps you.
Please let me know if you have any other questions :-)