Problem:OPTIONS:
- nearly empty
- three-fourth full
- a quarter full
- half full

Q: About how full is the outer energy level in metalloids? A:
****
A: half full

Q: Both endotherms and ectotherms control what through behavioral responses to changes in the environment? A:
OPTIONS:
- sleep cycles
- hormones
- gas temperature
- body temperature
body temperature

Q: Atoms with the same atomic number but different mass numbers are called what? A:
OPTIONS:
- tropes
- organisms
- reactions
- isotopes

Answer: isotopes

Question: Q: Are scissors simple or compound machines? A:
OPTIONS:
- lever
- neither
- simple
- compound
Answer: compound

input with options: Q: What is added to alcohol and used as an antiseptic? A:
OPTIONS:
- chloride
- arsenic
- chlorine
- iodine
output: iodine

Problem: OPTIONS:
- arthritis
- headache
- sunburn
- heartburn
Q: Q: What is a common condition caused by stomach acid? A:
Answer:
heartburn