Question

1. what is the best way to ensure properly cleaned windows? regularly use washer fluid put ammonia in your washer fluid reservoir clean them inside & out occasionally

Explanation:

To determine the best way to ensure properly cleaned windows, we analyze each option:

• "Regularly use washer fluid" is mainly for vehicle windshields while the question is more general about windows (including home, etc.).
• "Put ammonia in your washer fluid reservoir" is unsafe and not a proper general window - cleaning practice.
• "Clean them inside & out occasionally" is a practical and effective way to keep windows clean as it addresses both sides which can accumulate dirt, dust, and grime.

Answer:

The correct option is: Clean them inside & out occasionally