character: Rachel Carson
topic: DDT's role in 'Silent Spring'
grade: 11
subject: Science
LearnActions
SearchCreate
character: Environmental Scientists
topic: Consequences of DDT on ecosystems
grade: 11
subject: Science
LearnActions
SearchCreate
character: Farmers
topic: Impact of DDT on agriculture
grade: 11
subject: Science
LearnActions
SearchCreate
character: Government Regulators
topic: Legislation and regulations post-Silent Spring
grade: 11
subject: Science
LearnActions
SearchCreate