N. Harmonik asked 9/23/2015 How is it possible that diamonds can't be scratched but can be broken? Isn't a scratch simply the beginning of a breakage?
Anonymous asked 7/16/2015 Recently I read the news in the online where pacific northwest will face the mega earthquake which will threatened to human and animals. It's true? That means earth will face the danger when this mega earthquake happen in Pacific Northwest, right?
Anonymous asked 6/14/2015 What do you think may happen to the leading edge of oceanic plate as it continues to move downward?
Anonymous asked 10/23/2014 What temperature will a stone get when you heat it from below with a candle?
