Question: Answer the following question given this paragraph: Figure 39.14 (a) Birds have a flow-through respiratory system in which air flows unidirectionally from the posterior sacs into the lungs, then into the anterior air sacs. The air sacs connect to openings in hollow bones. (b) Dinosaurs, from which birds descended, have similar hollow bones and are believed to have had a similar respiratory system. (credit b: modification of work by Zina Deretsky, National Science Foundation). 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: Answer the following question given this paragraph: An empirical formula is a formula that shows the elements in a compound in their lowest whole-number ratio. Glucose is an important simple sugar that cells use as their primary source of energy. Its molecular formula is C 6 H 12 O 6 . Since each of the subscripts is divisible by 6, the empirical formula for glucose is CH 2 O. When chemists analyze an unknown compound, often the first step is to determine its empirical formula. There are a great many compounds whose molecular and empirical formulas are the same. If the molecular formula cannot be simplified into a smaller whole-number ratio, as in the case of H 2 O or P 2 O 5 , then the empirical formula is also the molecular formula. 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: Answer the following question given this paragraph: The peripheral nervous system consists of all the nerves that are found outside the central nervous system. 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: Answer the following question given this paragraph: Alkanes are nonpolar; they do not attract ions. Q: Alkanes are nonpolar and therefore do not attract what? A:
A:
output: ions

Answer the following question given this paragraph: When you use a machine, you apply force to the machine. This force is called the input force. The machine, in turn, applies force to an object. This force is called the output force. The output force may or may not be the same as the input force. The force you apply to the machine is applied over a given distance, called the input distance. The force applied by the machine to the object is also applied over a distance, called the output distance. The output distance may or may not be the same as the input distance. 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: Answer the following question given this paragraph: When we consider a chemical reaction, we need to take into account both the system and the surroundings. The system includes the components involved in the chemical reaction itself. These will often take place in a flask, a beaker, a test tube, or some other container. The surroundings include everything that is not part of the system. When potassium reacts with water, part of the heat energy generated in the reaction is released into the surroundings. The boundary between system and surroundings is arbitrary, and it is generally chosen in a way that makes observations and calculations easier. 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