Fact 1: If soil is permeable then water easily flows through that soil. Fact 2: The suitability for septic drainfields is poor because of slow permeability. Given the two facts above, the best place to locate a septic system is?

OPTIONS:
- in soil where water drains easily
- underground systems
- have a positive impact on the environment
- an area swollen with pus
- fissures of hot, acidic water
- marshes and swamps
- a hemisphere is tilted away from the sun
- To another location like underground

Answer: in soil where water drains easily

Fact 1: Evaporation of sweat uses energy, and the energy comes from body heat. Fact 2: When sweat comes in contact with the skin it is cooled as the sweat evaporates. Given the two facts above, energy leaves from what when sweat contacts with skin?

OPTIONS:
- radiation
- heat energy
- expelled
- vapors
- body heat
- heat produced
- conduction
- metal

Answer: body heat

Fact 1: Awindmill converts wind energy into electricity primarily by using mechanical energy. Fact 2: Todays computers use electricity and silicon chips. Given the two facts above, what can a windmill provide energy for?

OPTIONS:
- space
- water
- animals
- humans
- A computer
- clouds
- energy
- engines

Answer: A computer

Fact 1: Many consumers feed at more than one trophic level. Fact 2: Humans are consumers in food webs. Given the two facts above, what feed at more than one trophic level?

OPTIONS:
- cows
- tortoises
- density
- animals
- humans
- bananas
- goats
- stomach

Answer:
humans