Hmm, it seems like the word that signals cause and affect is "Since". The reason I say this is because that is the reason (the cause) and the affect is rescheduling the lunch. (the effect). Good luck, do you understand?
Answer:
Volcanoes are difficult to predict because they don't erupt in a straight, orderly progression
D seems like the most correct.
You would completely re write the thing and go back and edit.
Mental power is important because it helps you become who you are and helps you grow as a person. also having mental power could help you in the future and also teach you lessons and a lot about life. it gets stronger and stronger everyday as you go on.
