Q: Q: What are the ice crystals that form on the ground called? A: | OPTIONS:
- snow
- granules
- sleet
- frost
A: frost

Q: Q: Synaptic connections can change over time depending on what? A: | OPTIONS:
- weight
- diet
- age
- activity level
A: activity level

Q: Q: Each vertebral vein also flows into which vein? A: | OPTIONS:
- trichina
- xerophyte
- spiral
- brachiocephalic
A: brachiocephalic

Q: Q: Sickle cell anemia is what type of disorder? A: | OPTIONS:
- autosomal dominant disorder
- spontaneous mutation
- nongenetic disorder
- autosomal recessive disorder
A: autosomal recessive disorder