YAESBATTELLAIN YAESBATTELLAIN Inglés contestada Completa la oración pasiva con la forma correcta del verbo. The greenhouse effect causes serious climate changes serious climate changes___________ by the greenhouse effect Leo Dicaprio listed several environmental issues in his Earth Day speech Several environmental issues________________ by Leo Dicaprio in his Earth Day Some famers are overusing chemicals in their crops Chemicals____________ by some farmers in their crops Deforestation has destroyed some rainforest ecosystems Some rainforest ecosystems_____________by deforestation