fact and question: a leaf absorbs sunlight to perform photosynthesis
Question: A leaf absorbs sunlight to perform photosynthesis until

What's the answer? OPTIONS:
- a lounge chair obstructs the solar rays
- solar lights line a path
- solar panels are placed on the roof
- solar tea is served in the garden

answer: a lounge chair obstructs the solar rays

fact and question: an landfill is a source of pollution
Question: A pollution source in a county may be

What's the answer? OPTIONS:
- compost pile
- grass seeds
- recycling center
- trash heap

answer: trash heap

fact and question: a greenhouse is used to protect plants from the cold
Question: A greenhouse is used to protect plants from what?

What's the answer? OPTIONS:
- nutrients
- freezing winds
- socializing
- fresh air

answer: freezing winds

fact and question: renewable resources can be used over again
Question: What is a renewable resource?

What's the answer? OPTIONS:
- Plastic
- Metal
- Concrete
- Rain

answer:
Rain