The question is based on the following passage. Forest fires this year have consumed more than 147,000 hectares (360,000 acres) in Bolivia's eastern Santa Cruz department, the regional government reported Saturday.As in neighboring Brazil, the fires have been aggravated by widespread deforestation aimed at expanding farming or pasture land.They come in a year when climate change has become an increasingly urgent issue with mammoth wildfires in the Western US as well as in Greece and Turkey. Rosado said a Super Puma helicopter was being used to douse the larger fire sites with water, and emergency personnel and equipment were being deployed to key spots.He added that 831 fires had been reported just in the first days of August, for a total this year of 15,555. Each year Bolivia confronts forest-fire outbreaks started by settlers in remote areas or by agribusinesses trying to expand their production.Bolivian NGO the Friends of Nature Foundation estimates that forest fires last year destroyed more than 2.3 million hectares of forests and grassland. n.n. 2021.Forest fires in Bolivia consume vast area: official. The Jakarta Post . Accessed on August 10, 2021.https://www.thejakartapost.com/life/2021/08/08/forest-fires-in-bolivia-consume-vast-area-official.html It can be concluded fromthe text thatmany forest fires ____ occurred in Bolivia were caused by human. The best word to fill in the gap is ....

Question

The question is based on the following passage.

Forest fires this year have consumed more than 147,000 hectares (360,000 acres) in Bolivia's eastern Santa Cruz department, the regional government reported Saturday. As in neighboring Brazil, the fires have been aggravated by widespread deforestation aimed at expanding farming or pasture land. They come in a year when climate change has become an increasingly urgent issue with mammoth wildfires in the Western US as well as in Greece and Turkey.

Rosado said a Super Puma helicopter was being used to douse the larger fire sites with water, and emergency personnel and equipment were being deployed to key spots. He added that 831 fires had been reported just in the first days of August, for a total this year of 15,555.

Each year Bolivia confronts forest-fire outbreaks started by settlers in remote areas or by agribusinesses trying to expand their production. Bolivian NGO the Friends of Nature Foundation estimates that forest fires last year destroyed more than 2.3 million hectares of forests and grassland.

n.n. 2021. Forest fires in Bolivia consume vast area: official. The Jakarta Post. Accessed on August 10, 2021. https://www.thejakartapost.com/life/2021/08/08/forest-fires-in-bolivia-consume-vast-area-official.html

It can be concluded from the text that many forest fires ____ occurred in Bolivia were caused by human.

The best word to fill in the gap is .... $\;\;$