Problem:OPTIONS:
- question their methods
- develop a completely different experiment
- study their work
- replicate their work

Q: What might a scientist do to confirm the work of another? A:
****
A: replicate their work

Q: Systemic veins return blood low in what to the right atrium? A:
OPTIONS:
- dioxide
- nutrients
- nitrogen
- oxygen
oxygen

Q: What are the two basic parts that all flowering plants have in common? A:
OPTIONS:
- metal and petiole
- stalk and petiole
- leaf and petiole
- blade and petiole

Answer: blade and petiole

Question: Q: What layer of earth contains abundant oxygen, which can combine with other elements to create oxide minerals? A:
OPTIONS:
- the core
- the surface
- the tectonic plates
- the crust
Answer: the crust

input with options: Q: Because atoms are always electrically neutral, for each added proton, one of what is also added? A:
OPTIONS:
- ion
- quark
- neutron
- electron
output: electron

Problem: OPTIONS:
- Largest Population Point
- Longest Point
- Hottest Point
- any point
Q: Q: At what point can nutrients enter or exit an ecosystem? A:
Answer:
any point