Drag each phrase to indicate whether it shows the impact of aquaponics systems or the impact of conventional farming on the environment.

These factors hinder environmental protection efforts in eastern europe.

Explain: plate tectonics and people.

What major factors play a role in global warming? 1. human activity and normal climate conditions 2. natural factors and human activity 3. normal climate conditions and abnormal human activities 4. abnormal human activities and natural factors