fact and question: alternative fuel is usually a renewable resource
Question: Though fossil fuels and their byproducts will eventually be used up completely, we'll still have

What's the answer? OPTIONS:
- gasoline
- coal
- plastics
- light from stars

answer: light from stars

fact and question: food is a source of energy for animals
Question: food is a source of energy for what?

What's the answer? OPTIONS:
- waterfalls
- fires
- grass snakes
- mountains

answer: grass snakes

fact and question: landfills have a negative impact on the environment
Question: What have a negative impact on the environment?

What's the answer? OPTIONS:
- plants
- trees
- recycling
- dumpyards

answer: dumpyards

fact and question: a desert environment is low in availability of water
Question: Deserts are in extremely dry environments, so liquids will naturally be

What's the answer? OPTIONS:
- rainbow
- plentiful
- meager
- talented

answer:
meager