Hunter-gatherer societies?

Which of the following accurately describes hunter-gatherer societies?

All humans continued to obtain food this way, even after the invention of agriculture.

Following the fall of the Soviet Union in the 1900s, this form of nomadism disappeared.

As a result of modernization of agriculture and industrialization, this form of subsistence farming disappeared in the mid-1900s.

Due to division of labor efforts, hunter gatherers must live in groups of more than 100 people.

Despite agriculture modernizing in most areas, this form of way of life is still practiced today.