Problem:OPTIONS:
- ion exchange
- evaporation
- entropy
- energy

Q: To measure what changes that occur in chemical reactions, chemists usually use a related thermodynamic quantity, calledenthalpy? A:
****
A: energy

Q: What is the hinged structure attached to the cranium that allows an animal to grasp and tear its food? A:
OPTIONS:
- tooth
- neck
- throat
- jaw
jaw

Q: The calvin cycle and light reactions are the two stages of what process? A:
OPTIONS:
- condensation
- evaporation
- cell growth
- photosynthesis

Answer: photosynthesis

Question: Q: What kind of scientists measure percentages of sand, silt, and clay? A:
OPTIONS:
- texture scientists
- amount scientists
- petro scientists
- soil scientists
Answer: soil scientists

input with options: Q: Potassium is a soft, silvery metal that ignites explosively in what? A:
OPTIONS:
- air
- cold
- acid
- water
output: water

Problem: OPTIONS:
- turning motion
- pushing motion
- shaking motion
- spinning motion
Q: Q: What is observed when two perpendicular flagella moves? A:
Answer:
spinning motion