[ Vocabulary ]
overpopulation, pollution, burning fossil fuels, & deforestation that have triggered climate change, soil erosion, poor air quality, & undrinkable water
A. energy conservation
B. human impact
C. sustainability
D. availability
E. natural resources

Random Topics:
AdverbWish SentenceGerunds as Objects of PrepositionsPresent and Past Simple PassiveFood VocabularySimple Future - WillAdverb of TimeCountable & Uncountable NounsBe going to / WillVerbs with Prepositions and ConjunctionsOther quiz:
Reported Speech and Tenses › ViewSelect the proper past simple tense: Last year they __________ (travel).
A. travel
B. traveled
C. traveling
Gerund › View
While ___ the noise outside, the baby woke up.
A. To hearing
B. Hearing
C. Heard
D. Hears
Modal Verb › ViewIt’s possible that I’ll come to your party
A. I should come to your party
B. I will come to your party possibly
C. I must come to your party
D. I might come to your party
Grammar › View
What _____ to Jack yesterday evening? He didn’t come to my birthday party.
A. happened
B. was happen
C. did happen
D. was happening
