Q: Fact 1: Veins generally carry deoxygenated blood. Fact 2: Veins push blood toward the heart. Given the two facts above, what is carried toward the heart? | OPTIONS:
- flow of electrons
- kinetic energy
- deoxygenated blood
- the body's largest organ
- Electrical energy
- energy of moving objects
- refraction of light
- electromagnetic energy
A: deoxygenated blood

Q: Fact 1: Crossing two living things with recessive traits causes their offspring to have that recessive trait. Fact 2: White eye color is a recessive trait. Given the two facts above, the offspring of two living things with white eyes have what color eyes? | OPTIONS:
- white
- tiny
- pigeons
- green
- alleles
- black
- similar
- yellow
A: white

Q: Fact 1: Moss causes chemical weathering. Fact 2: If the moss was completely dried then it is dead. Given the two facts above, dryness can do what to chemical weathering? | OPTIONS:
- break off
- shrub beds
- cool off
- prevent
- loose soil
- rock
- soils
- improve
A: prevent

Q: Fact 1: Plants that shed their leaves seasonally each year are called deciduous plants. Fact 2: Bog birch is a deciduous shrub. Given the two facts above, what sheds its leaves seasonally? | OPTIONS:
- bog birches
- it needs them
- When it's cold
- Most plants
- grass
- swamp vegetation
- insects
- h2o
A: bog birches