I think it's the last one
Danger. Or D. Thnx for free points
Mathematical sciences<span> is a group of areas of study that includes, in addition to </span>mathematics, those academic disciplines that are primarilymathematical<span> in nature but may not be universally considered subfields of </span>mathematics<span> proper.</span>
Exuse me, but I don't understand what you are saying. Are you referring to another question you posted? I really want to help you but I don't understand your question.
It changed over time because women started to want to wear different things. With the bicycle it changed because the movement needed to be fast. Because of the design of the bicycle from the early 1800's women most likely wore what they wore out of the household, including long skirts, blouses up to the necks and huge sun hats.
