Answer the following question given this paragraph: The concentration of a solution represents the percentage of the solution that is the solute. You can calculate the concentration of a solution using this formula:. 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: Answer the following question given this paragraph: The main functions of polysaccharides are to store energy and form structural tissues. Examples of several other polysaccharides and their roles are listed in the Table below . These complex carbohydrates play important roles in living organisms. 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: Answer the following question given this paragraph: Less often, a new species arises without geographic separation. This is called sympatric speciation . The following example shows one way this can occur. 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: Answer the following question given this paragraph: The Axial Skeleton The skeleton is subdivided into two major divisionsthe axial and appendicular. The axial skeleton forms the vertical, central axis of the body and includes all bones of the head, neck, chest, and back (Figure 7.2). It serves to protect the brain, spinal cord, heart, and lungs. It also serves as the attachment site for muscles that move the head, neck, and back, and for muscles that act across the shoulder and hip joints to move their corresponding limbs. The axial skeleton of the adult consists of 80 bones, including the skull, the vertebral column, and the thoracic cage. The skull is formed by 22 bones. Also associated with the head are an additional seven bones, including the hyoid bone and the ear ossicles (three small bones found in each middle ear). The vertebral column consists of 24 bones, each called a. 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: Answer the following question given this paragraph: All redox reactions occur with a simultaneous change in the oxidation numbers of some atoms. At least two elements must change their oxidation numbers. When an oxidation number of an atom is increased in the course of a redox reaction, that atom is being oxidized. When an oxidation number of an atom is decreased in the course of a redox reaction, that atom is being reduced. Thus oxidation and reduction can also be defined in terms of increasing or decreasing oxidation numbers, respectively. Saylor URL: http://www. saylor. org/books. 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: Answer the following question given this paragraph: All streams and rivers have several features in common. These features are shown in ( Figure below ). The place where a stream or river starts is its source. The source might be a spring, where water flows out of the ground. Or the source might be water from melting snow on a mountain top. A single stream may have multiple sources. A stream or river probably ends when it flows into a body of water, such as a lake or an ocean. A stream ends at its mouth. As the water flows into the body of water, it slows down and drops the sediment it was carrying. The sediment may build up to form a delta. Q: What is the name of the location in which a stream or river starts? A:
OPTIONS:
- spring
- shore
- mouth
- source
Answer:
source