Q: Reptiles and birds are the only known living descendants of what? A:
OPTIONS:
- mammals
- fossils
- dragons
- dinosaurs
dinosaurs

Q: What occurs when two opposite charges are separated by some amount of distance? A:
OPTIONS:
- particle
- radioactivity
- diffusion
- dipole

Answer: dipole

Question: Q: What is the functional unit of compact bone? A:
OPTIONS:
- spongin
- collagen
- scleroprotein
- osteon
Answer: osteon

input with options: Q: A cartilaginous joint where the bones are joined by fibrocartilage is called a what? A:
OPTIONS:
- vesicles
- mitosis
- Testes
- symphysis
output: symphysis

Q: Q: When does diseases like alzheimer's become more common? A:

OPTIONS:
- toddler
- teenager
- i-40 age
- old age

A: old age

Q: In the nematic phase, only the long axes of the molecules are parallel, and the ends are staggered at random intervals. in the smectic phase, the long axes of the molecules are parallel, and the molecules are also arranged in planes. finally, in thecholesteric phase, the molecules are arranged in layers; each layer is rotated with respect to the ones above and below it to give it this? A:
OPTIONS:
- layer structure
- kinetic energy
- symmetry
- spiral structure
spiral structure