Problem: OPTIONS:
- reversible change
- physical change
- carbon change
- chemical change
Q: Q: What kind of change occurs whenever matter changes into an entirely different substance with different chemical properties? A:
Answer: chemical change

Problem:OPTIONS:
- orbital lobes
- outer orbitals
- high energy
- low-energy

Q: What type of orbitals do electrons in successive atoms on the periodic table tend to fill first? A:
****
A: low-energy

Q: Which types of muscles cause bones to move when they retract? A:
OPTIONS:
- working muscles
- active muscles
- bone muscles
- skeletal muscles
skeletal muscles

Q: Which gas do people exhale during each breath? A:
OPTIONS:
- carbon monoxide
- nitrogen
- oxygen
- carbon dioxide

Answer: carbon dioxide

Question: Q: What (nh3) is one of the few thermodynamically stable binary compounds of nitrogen with a nonmetal? A:
OPTIONS:
- liquid nitrogen
- acetic acid
- nitrous oxide
- ammonia
Answer: ammonia

input: OPTIONS:
- the tundra
- great plains
- lakes
- ocean floor Now, answer this question: Q: Where do polychaetes live? A:
A:
output:
ocean floor