Grinding quartz crystals down to produce sand is an example of a
a. change of state.
c. chemical reaction.
b. chemical change.
d. physical change. select the best answer from the choices provided a b c d

On their way home, what do claudia and jamie decide to do? a. visit the museum every week with mrs. frankweiler and make more discoveries about the exhibits b. tell saxonberg about the mystery behind the angel statue and give the sketch to the museum c. introduce mrs. frankweiler to their parents and tell her that they have adopted her as their grandmother d. visit mrs. frankweiler as often as they can and adopt her as their grandmother

Me what confession does hester make to dimmesdale while in the forest in chapter 17 of the scarlet letter ?

Why is it economically necessary for the east germans to build berlin wall