The project helps raise students’ _______ of environmental problems. (knowledge / awareness / understanding / behavior)
awareness
We should _______ new habits to live a greener life. (adapt / adopt / adore / adjust)
adopt
Please don’t throw _______ on the street. (trash / garbage / litter / dust)
litter
Factories shouldn’t dump ________ into rivers. (resources / organic / chemist / chemicals)
chemicals
My school plans to _______ a campaign to save energy. (put off / set up / break down / take in)
set up
Vegetables grown without chemicals are called _______ vegetables. (natural / fresh / organic / clean)
organic
Taking the bus instead of driving can reduce your _______. (carbon print / carbon mark / carbon footprint / carbon step)
carbon footprint
We should ______ our waste before recycling. (sort / separate / divide / collect)
sort
Don’t leave your _______ on all night. It wastes electricity. (house / household appliances / home tools / home stuffs)
household appliances