Abstract Nouns
Survival equipment
Environmental issues
Mixed
100

Great happiness

Joy

100

A tablet to make water safety to drink

Water purification tablet

100

Contamination of the air by smoke and gases

Air pollution

100

Ability to overcome difficulties in quick and clever ways

resourcefulness

200

The lost of all hope

Despair

200

A thread of nylon with a hook at the end for catching fish

Fish line and hook

200

Species at risk of extinction

Endangered species

200

Gas that traps heat in the atmosphere

Greenhouse gas

300

A feeling of worry about something that might happen

anxiety

300

A container that keeps drinks hot or cold

Flask

300

Rain or snow containing harmful chemicals from pollution

Acid rain

300

Device that makes high , sharp sounds when blown

Whistle

400

Unconfortable sensation caused by not eating food

Hunger

400

Glass lense that makes things look bigger than they are

Magnifying glass

400

Trash material such as food waste ,construction debris , scrap metal

Solid waste

400

The increase in the world´s temperature caused by greenhouse gasses

Global warming

500

Persistence in doing something despite difficulty

Perseverance

500

Stick of wood with a tip that makes fire

Match

500

Sewage that has not been treated to remove contaminents

Untreated sewage 

500

land flooded by seawater

coastal flooding

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