True or false? kübler-ross believed that the progression of grieving stages is nonlinear; one can oscillate back and forth between stages and even skip a stage.

That is "True".

According to kübler-ross there are five phases, denial, anger, bargaining, depression and acceptance, these are a piece of the system that makes up our figuring out how to live with the one we lost. They are instruments to enable us to outline and recognize what we might feel. In any case, they are not stops on some linear course of events in sadness.

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.