input with options: Q: Stirring, surface area, and temperature affect the rate at which what occurs? A:
OPTIONS:
- concentration dissolves
- solute freezes
- solute fragments
- solute dissolves
output: solute dissolves

Q: Q: What model of the atom features an electron orbiting a nucleus, forming a closed-current loop and producing a magnetic field with a north pole and a south pole?. A:

OPTIONS:
- hydrogen model
- solar model
- gravitational model
- planetary model

A: planetary model

input: OPTIONS:
- endoplate
- endoskeleton
- exoplate
- exoskeleton Now, answer this question: Q: What is the term for the hard covering that protects insects, crustaceans, and spiders? A:
A:
output: exoskeleton

Q: Constriction and dilation allow the circulatory system to change the amount of blood flowing to which body parts? A:

OPTIONS:
- arteries
- tissues
- muscles
- organs

Answer: organs

Problem: OPTIONS:
- asexually
- biologically
- they don't
- sexually
Q: Q: How do amphibians reproduce? A:
Answer: sexually

Q: Bacterial dna is contained in one circular chromosome, located where? A:

OPTIONS:
- neuron
- mucus
- cerebellum
- cytoplasm

Answer:
cytoplasm