TOEFL Writing Lesson - How to express cause and effect relationship in your essay - Learn how to use prepositions such as "owing to", "due to", "as a consequence of", and "as a result of" to show cause - Learn how to use prepositions such as "lead to", "result in", "contribute to", and "give rise to" to show effect. For more videos and over 1000 TOEFL practices, go to https://www.bestmytest.com | Bestmytest - World leader in TOEFL & IELTS preparation