Most civilizations in China were founded in areas with fresh water and fertile soil. Based on this information, where were most Ancient Chinese civilizations located?

The most ancient China civilization was located with the Yellow River to the north and the Yangtze to the southern.

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.

its d i know cause i've been googling it