Reaction times associated with repetitive fixed interval stimuli in a given stimulus-response situation usually decrease over a short time period to some minimal value and then remain stable. explain

What is the natural environment? the story of the interaction of people forming societies, cultures, and civilizationsan increase in the world’s temperaturethe process by which social institutions are adopted on a global scalethe natural world in which people, plants, and animals live

Which best explains why the supreme court’s decision in plessy v. ferguson was unconstitutional? the supreme court’s ruling allowed states to deny equal protection to any person within its jurisdiction. since the 14th amendment did not make concessions for people born outside the us, the supreme court’s decision could not be applied. the supreme court’s decision gave individual states the freedom to make their own laws in relation to non-whites. since segregation laws did not provide equal protections or liberties to non-whites, the ruling was not consistent with the 14th amendment.

In exchange for land, a knight agrees to be a sort of sub-vassal to a vassal. this agreement was known as: investiture homage tyranny subinfeudation