Whenever one turns the pages of a book, uses a pen to take notes, or raises one's hand, one's action is possible due to the nervous system.

Somatic nervous system

Explanation:

The somatic nervous system is the component of the peripheral nervous system concerned with voluntary skeletal muscular regulation of body movements. The somatic nervous system is made up of afferent nerves or sensory nerves, as well as efferent nerves or motor nerves.

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.

answer; i believe its (transgender);