What are Psychologists' involvement in military interrogations

It helps the military officers to extract important information from various sources during interrogation.

Explanation:

Psychologists help in teaching military officers how to interrogate information sources to bring out the truth and exact incident/activities from them through questions.

This helps to ensure that they get the needed and vital information to execute their operations and to avert possible attacks where necessary. It also helps to save time, energy and resources.

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.

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.