Problem: OPTIONS:
- five
- one
- three
- two
Q: Q: How many different kinds of ions are produced when sodium chloride dissociates ? A:
Answer: two

Problem:OPTIONS:
- frozen
- solid
- liquid
- gas

Q: The speed of a particle in what state is directly proportional to the temperature of the system? A:
****
A: gas

Q: What is made up of the pinna, ear canal, and eardrum? A:
OPTIONS:
- the epidermis
- the inner ear
- the nervous system
- the outer ear
the outer ear

Q: Competition is a relationship between organisms that depend on the same resources. the resources might be food, water, or what? A:
OPTIONS:
- thought
- language
- time
- space

Answer: space

Question: Q: Signals from rods and cones can follow several different pathways in what structure of the eye? A:
OPTIONS:
- aperture
- aqueous humor
- lens
- retina
Answer: retina

input: OPTIONS:
- mitochondria
- stem cell
- platelet
- neuron Now, answer this question: Q: A nerve cell that carries messages is called a? A:
A:
output:
neuron