Consider the different definitions of madness and the author’s personal statements in her editorial and discuss how the differing definitions and the author’s statements work to enhance the meaning of ""the yellow wallpaper""

B. speculate about one positive way and one negative way that this boundary has affected the geographical units it separates over time.

50 ppm (50 mg/kg) is equal to 0.005%. how many ppm is equal to 5%?

《riddle》 a man is stranded on an island covered in forest. one day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. the fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process. there are cliffs around the island so he can't jump off. how can the man survive the fire? (there are no buckets or any other means to put out the fire.)