True: Prehistoric hunter-gatherers did build permanent dwellings, although it varied depending on the group and region. Some built structures such as pit houses or huts that were semi-permanent or seasonally occupied.
True: Most prehistoric hunter-gatherer societies were nomadic or semi-nomadic, meaning they moved frequently in search of food and resources.
True: Prehistoric hunter-gatherers did develop the use of fire. They used fire for various purposes, including cooking, heating, protection, and hunting.
False: Prehistoric hunter-gatherers did not practice irrigation or farming. They relied on hunting, gathering, and foraging for their food instead. It was only later in history that agriculture and irrigation practices were developed.