Problem: OPTIONS:
- interior of saturn
- crest of saturn
- craters of saturn
- rings of saturn
Q: Q: Some of the small moons of saturn are found within what features distinctive to the planet? A:
Answer: rings of saturn

Problem:OPTIONS:
- number of eyes
- number of legs
- lifespan
- lack of backbone

Q: What traits do the sponge and tarantula share? A:
****
A: lack of backbone

Q: Bivalvia and gastropoda are classes of what phylum? A:
OPTIONS:
- Insects
- fishes
- diatoms
- mollusks
mollusks

Q: Chemical reactions that consume energy are called what? A:
OPTIONS:
- exothermic reactions
- inefficient reactions
- greedy reactions
- endothermic reactions

Answer: endothermic reactions

Question: Q: Steam consists of what common and essential element in its gaseous phase? A:
OPTIONS:
- carbon dioxide
- air
- plasma
- water
Answer: water

input: OPTIONS:
- physics
- psychology
- biology
- chemistry Now, answer this question: Q: What branch of science is based on the modern atomic theory, which states that all matter is composed of atoms? A:
A:
output:
chemistry