What mass of koh
should be dissolved in one litre of solution to prepare a solution having ph is 12 at
25°c? (at. wt of k = 39)
ananed from hydrous formic acid? write suitable

How was classical persia's extensive network of roads important to its civilization?

How is an objective summary different from an argumentative essay? o a. a summary should remain neutral, but an argumentative essay should promote a certain viewpoint. o b. a summary should use direct quotations, but an argumentative essay should paraphrase evidence. o c. a summary should include a works-cited list, but an argumentative essay should not cite others' work. o d. a summary should focus on a thesis, but an argumentative essay should address many different topics.

There are no written records of the first migration of humans to the americas? true or false