In potassium-argon dating, how does the proportion of remaining potassium in a rock or fossil change over time?

During the 1750s, before the industrial revolution, why did most people see little of the world?

How were slavery and indentured labor in american colonies similar

Based on a comparison of the myths “the maori: genealogies and origins in new zealand” and “the raven and the first men: the beginnings of the haida,” if the maori and the haida people decided to create a myth together, what would most likely be the value expressed?