What are two biggest takeaways you can use while driving

What process is believed to be responsible for the formation of the grand canyon? a) diverging tectonic plates b) converging tectonic plates c) erosion over a long period of time d) caving in of the ground due to erosion

98 points! include an answer and in advance!

Which of the following is an open question? "where are you from? " "when did you graduate from college? " "why did you leave your last job? " "do you have transportation to work? "