Q: Fact 1: The looseness of soil increases the amount of oxygen in that soil. Fact 2: Cultivation is easier if soil is loose. Given the two facts above, what kind of soil is easier to cultivate? | OPTIONS:
- looser
- cactuses
- Sediment
- sandier
- Tropical
- tighter
- alluvial
- wetter
A: looser

Q: Fact 1: Faulting of rock in Earth 's crust causes earthquakes. Fact 2: Fault zones are plates in the earth that slide and collide. Given the two facts above, plates in the earth do what which causes earthquakes? | OPTIONS:
- Movement
- waves
- heat
- collide
- moves
- erosion
- break off
- friction
A: collide

Q: Fact 1: An electrical insulator slows the transfer of electricity. Fact 2: Plastic is an insulator of electricity. Given the two facts above, which material slows the transfer of electricity? | OPTIONS:
- Cotton
- Water
- Smoking
- heat
- the skin
- Steel
- cigarettes
- Plastic
A: Plastic

Q: Fact 1: Invertebrates are animals that lack a vertebral column, or backbone. Fact 2: Geckos have backbones and are reptiles. Given the two facts above, which of the following animals is NOT an invertebrate? | OPTIONS:
- shrimp
- orchids
- gecko
- sheep
- Schwinn
- jellyfish
- praying mantis
- Birds
A: gecko