Quick Links Take a Practice Exam Contribute to the Site Browse the Exams About this Site Privacy Policy Terms & Conditions Site Map New User Log In Examine My Cookies Contact WebMaster   Exams4Pilots Forum Forum Home - Latest News - Testimonials - Tips & Tricks - Stuck Mike - Bug Reports - Feature Request	SiteMap You are here: home->sport->I21->Z.0.1.7.1.A.1 0171 Every physical process of weather is accompanied by or is the result of * A) a heat exchange. B) the movement of air. C) a pressure differential.

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