Which adjective means 'unfavourable'?

• absorbent

• arid

• adverse

• receding

Which verb means 'to make use of the power of sth'?

• harness

• liquefy

• recalibrate

• reform

Which noun means 'the act of lessening the impact of sth'?

• precipice

• mitigation

• devastation

• onslaught

Which adjective means 'persistent, endless'?

• agitated

• pertinent

• relentless

• detrimental

Which verb means 'to wear sth away slowly'?

• erode

• deem

• reiterate

• devastate

Which verb means 'to challenge'?

• cite

• showcase

• pair

• confront

Which adjective means 'uncontrolled'?

• cryptic

• rampant

• scorched

• irreversible

Which noun means 'a possible result'?

• ramification

• degradation

• modification

• reparation

Which verb means 'to plead with'?

• implore

• highlight

• extract

• emit

Which adjective means 'using natural resources in a way that does not harm the environment'?

• noticeable

• sustainable

• irreversible

• residential