What's this?
Solar energy
What is this?
rain forest
What are these?
fossil fuels
What do we call polluted precipitation that damages plants and animals when it falls?
acid rain
What word do we use to describe the relationship between plants and animals in a particular environment?
ecosystem
What do we call animals which are close to extinction?
endangered species
What are these called?
emissions/exhaust fumes
What do greenhouse gases cause?
global warming