With regards to a set point or normal limit, negative feedback always a physiological value to the set point or normal limit.

Which of the following is one of the innovations that neolithic farmers become more productive? a) plow b) windmill c) tractor d) reaper

What did justice brown’s verdict in plessy v. ferguson state?

What caused the settlement of more african americans in the mississippi alluvial plain region then in the ozark mountains region?