(1)What motivated Marhara to start the lake cleanup?A.His environmental awareness.B.A school project on pollution.C.A local environmental organization.
(2)How much waste failed to be properly dealt with in Indonesia last year?A.Around one fifth.B.Around one third.C.Around one half.
(3)What is the key to solving Indonesia's waste problem in Marhara's opinion?A.Making some stricter laws.B.Introducing more recycling facilities.C.Forming a culture of cleaning up.