Answer:
I think it is D.) Scientist have spent years trying to determine how tsunamis can be predicted with greater accuracy.
Explanation:
Words like ain't, you guys, or y'all would not be worlds you would want to put in a formal style or tone.
So, words such as determine, predicted, and greater accuracy, are formal in a way. Just think of it this way, the sentence would sound as if someone who was smart was speaking or someone who is very FORMAL.
I hope this helped you ; )
Do it yourself you don't need help your just lazy
Your choices can affect the other people in the relationship because if you do something bad to your friend they wouldn't want to be your friend. So that would be a bad reputation for your self. If you decide to drink (alcohol) or smoke (anything) people will think you're a bad person.