Joey is hooked up to a machine that records tension in his forehead muscles when he experiences a headache. He can then monitor his subtle physiological responses. As he relaxes his forehead muscles, the pointer on the display screen may go lower. What type of device is Joey using? Please choose the correct answer from the following choices, and then select the submit answer button.

answer; the department of energy's

the boundarys like convergent divergent and transform it causes subduction

1. seasonal

2. frictional unenployment

3. the number of the labor force multiplied by 100 and then subtract the number of unemployed.

4. 4%

5. an increase in prices

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.