5.1 Meanings :
1. Circulates – move continuously .
2. Saline – containing with salt .
3. Devastating – highly destructive
4. Evaporation – the process of turning from liquid into vapour .
5. Condensation – the conversion of a vapour or gas to a liquid .
6. Terrarium – terrestrial invertebrate .
7. Waves – swaying motion while remaining fixed to one point .
8. Injudiciously – showing lack of judgment .
9. Sewers – an underground drainage water and waste matter .
10. Ocean currents – directed movement of sea water generated by forces .
11. Diagonally – a diagonal direction .
12. Scarcity – in short supply .