Nomadic people received income from where

Selling livestock, and making handicrafts, such as pottery.

Explanation:

Nomadic people are members of a community of people without fixed homes who often move to and from the same areas, in search of food, water, grazing. They include nomadic hunter-gatherers, pastoral nomads who owns livestock, and tinker or trader nomads. They make their living through selling the livestock while some make handicrafts such as pottery for sale.

depends on the age of the teen, many believe by the age of 16 a person should know the strong difference between right and wrong along with the difference between risky and immediate death. swimming with sharks might be dangerous but swimming with sharks while bloody meat is attached to you is just insane. even more if you have no idea what you're doing. however, no matter the age, as long as the person is skilled enough and has the mental and physical capacity to control their actions doing whatever sport they put their mind to is all that matters.

ok whats to talk about were you scared or what?