Question:
Use evidence from the fact that treating water is used to remove harmful substances before drinking to answer the following question. OPTIONS:
- free from wetness
- free of chunks
- free from governments
- free from ice "A person may use water from a treatment plant so that it is"

Answer:
free of chunks

Question:
Use evidence from the fact that sand dunes are made of sand to answer the following question. OPTIONS:
- the Sahara desert
- the Iraqi Desert
- the Gobi Desert
- Kansas "Where would a sand dune be out of the ordinary?"

Answer:
Kansas

Question:
Use evidence from the fact that a thermal insulator slows the transfer of heat to answer the following question. OPTIONS:
- a wooden wall
- the wind
- the sun
- light rays "What slows down the transfer of heat?"

Answer:
a wooden wall