Question: Q: Birds have a flow-through respiratory system in which air flows unidirectionally from the posterior sacs into the lungs, then into these? A:
OPTIONS:
- posterior bronchi
- gills
- alveoli
- anterior air sacs
Answer: anterior air sacs

input with options: Q: What is the term for a formula that shows the elements in a compound in their lowest whole-number ratio? A:
OPTIONS:
- measured formula
- intrinsic formula
- Dwarf Formula
- empirical formula
output: empirical formula

Q: Q: The peripheral nervous system consists of all the nerves that are found outside what? A:

OPTIONS:
- large nervous system
- autonomic nerous system
- somatic nervous system
- central nervous system

A: central nervous system

input: OPTIONS:
- molecules
- eons
- atoms
- ions Now, answer this question: Q: Alkanes are nonpolar and therefore do not attract what? A:
A:
output: ions

Q: What do you call the force a machine applies to an object? A:

OPTIONS:
- premium force
- drop force
- optimal force
- output force

Answer: output force

Q: Q: When we consider a chemical reaction, we need to take into account both the system and what? A:

OPTIONS:
- date
- fluctuations
- time
- sorroundings

A:
sorroundings