Problem:OPTIONS:
- blue solid precipitate
- brown solid precipitate
- purple solid precipitate
- yellow solid precipitate

Q: What is produced when a colorless solution of lead nitrate is added to a colorless solution of potassium iodide? A:
****
A: yellow solid precipitate

Q: Technetium is named after the greektechnikos, meaning "artificial," because all its isotopes are what? A:
OPTIONS:
- rare
- plastic
- neutral
- radioactive
radioactive

Q: What term is given to flatworms because they lack a body cavity? A:
OPTIONS:
- pores
- sporozoans
- sporazoa
- acoelomates

Answer: acoelomates

Question: Q: At high altitudes, acclimatization increases red blood cells, so there is more what to help transport the available oxygen? A:
OPTIONS:
- platelets
- plasma
- leukocytes
- hemoglobin
Answer: hemoglobin

input with options: Q: What were the first photosynthetic organisms on earth? A:
OPTIONS:
- mosses
- trees
- fungi
- bacteria
output: bacteria

Problem: OPTIONS:
- compressed air
- solid rock
- solid iron
- liquid metal
Q: Q: What is the outer core made of? A:
Answer:
liquid metal