Q: Fact 1: Scales are used for protection by scaled animals. Fact 2: Fish are backboned aquatic animals. Given the two facts above, what are used for protection by fish?

OPTIONS:
- scales
- fins
- streams.
- coral
- gills
- Collagen
- mussels
- whiskers

A: scales

Q: Fact 1: Transportation technology is used for moving people. Fact 2: Busses and trains are excellent modes of transportation. Given the two facts above, what are used for moving people?

OPTIONS:
- Limbs
- trains
- bicycle
- dogs
- cats
- bike
- robots
- engines

A: trains

Q: Fact 1: The Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side. Fact 2: When it is tilted away from the sun, it is winter. Given the two facts above, what do you experience when your side of the earth is away from the sun?

OPTIONS:
- haze
- Summer
- Heat
- cold
- Winter
- climate
- sweating
- Rain

A: Winter

Q: Fact 1: Treating water is used to remove harmful substances before drinking. Fact 2: Ordinary tap water can be full of harmful substances like chlorine, pesticides and heavy metals. Given the two facts above, what does treating water remove before drinking it?

OPTIONS:
- direct damage to the lungs
- h2o
- an area swollen with pus
- chlorine, pesticides, heavy metals
- molecules
- vapor
- Mutagenic chemicals
- nonliving organic matter

A:
chlorine, pesticides, heavy metals