input with options: Q: What type of matter in the spinal cord has the appearance of an ink-blot test and is subdivided into regions that are referred to as horns? A:
OPTIONS:
- bright matter
- wet matter
- dark matter
- gray matter
output: gray matter

Q: Q: Mars appears red because of large amounts of which element in the soil? A:

OPTIONS:
- carbon
- coal
- mercury
- iron

A: iron

input: OPTIONS:
- circulatory
- extraneous
- sensory
- excretory Now, answer this question: Q: The urinary system can be considered a smaller part of what other body system? A:
A:
output: excretory

Q: What are metals and good electrical conductors that tend to lose their valence electrons in chemical reactions called? A:

OPTIONS:
- stable metals
- conservants
- precious metals
- reductants

Answer: reductants

Problem: OPTIONS:
- sinkholes
- geysers
- dunes
- volcanoes
Q: Q: What landform occurs most often along plate boundaries? A:
Answer: volcanoes

Q: In artificial passive immunization, which items from an immune animal are injected into a nonimmune animal? A:

OPTIONS:
- parasites
- platelets
- allergies
- antibodies

Answer:
antibodies