Survival
Survive
To stay alive in a difficult situation
Desert S
A very hot, dry place with little water
Threat
Something that may cause harm or damage
Traders
People who travel and sell or trade goods
Technology S
Tools or machines that make life easier
Adapt
To change in order to live in new conditions
Polar region
Very cold areas near the North or South Pole
Attack S
To try to hurt or defeat someone using force
Exchange
To give one thing and get another
Fascinating S
Extremely interesting
Protective clothing
Clothes worn to protect the body from danger or weather
Freezing S
Extremely cold; water turns into ice
Remain
To be left after others have gone
Community
A group of people living or working together
Suitable
Right or convenient for a situation
Oxygen S
The air humans need to breathe
Extreme S
Very difficult or dangerous
Permanent S
Lasting forever or not changing
Traditional
Old, long-established ways
Felt lined
Warm fabric made from wool
Altitude
Height above sea level that can make breathing difficult
Environment S
The place and conditions where people live
Process
To treat something in order to change it
Nomads
People with no permanent home that move from one place to the next
Moder society
Life today with cities and new technology