Q: What does the concentration of a solution represent? A:
OPTIONS:
- spending of solute
- the darkness
- the percentage of contaminates
- percentage of solute

Answer: percentage of solute

Question: Q: The main functions of what complex carbohydrates are to store energy and form structural tissues? A:
OPTIONS:
- polypeptides
- oligosaccharides
- monosaccharides
- polysaccharides
Answer: polysaccharides

input with options: Q: What is it called when a new species arises without geographic separation? A:
OPTIONS:
- spontaneous evolution
- Allopatric speciation
- quantum speciation
- sympatric speciation
output: sympatric speciation

Q: Q: The axial skeleton forms the vertical, central axis of the body and includes all bones of the head, neck, chest, and back. it serves to protect the brain, spinal cord, heart, and what else? A:

OPTIONS:
- ovaries
- knees
- intestines
- lungs

A: lungs

input: OPTIONS:
- replaced
- increased
- destroyed
- reduced Now, answer this question: Q: When an oxidation number of an atom is decreased in the course of a redox reaction, that atom is being what? A:
A:
output: reduced

Question: Q: What is the name of the location in which a stream or river starts? A:
OPTIONS:
- spring
- shore
- mouth
- source
Answer:
source