If they cared for the environment, they would have used fewer natural resources. , If they hadn't taken a policy of recycling raw materials, there would be less recycled lithium. , If the internet hadn't been developed, we wouldn't have Netflix today. , If there weren't rechargeable batteries, we wouldn't have used up natural resources. , If we hadn't used them so often, antibiotics might be more effective. , If humans were more concerned, they wouldn't have created such environmental problems. ,

Conditional clauses - mixed conditional

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