Q: Answer the following question given this paragraph: Metals are generally shiny. This is because they reflect much of the light that strikes them. The mercury pictured above is very shiny. Q: What makes metals shiny? A:

OPTIONS:
- light characterization
- light energy
- light expansion
- light reflection

A: light reflection

input: OPTIONS:
- other variables
- independent elements
- independent approaches
- independent variables Now, answer this question: Answer the following question given this paragraph: A variable is a factor that can change over the course of an experiment. Independent variables are factors whose values are controlled by the experimenter to determine its relationship to an observed phenomenon (the dependent variable). Dependent variables change in response to the independent variable. Q: The values of which factors are controlled by the experimenter over the course of an experiment? A:
A:
output: independent variables

Answer the following question given this paragraph: Has this ever happened to you? You walk across a carpet, reach out to touch a metal doorknob, and get an unpleasant electric shock (see Figure below ). The reason you get a shock is because of moving electric charges. Moving electric charges also create lightning bolts and the electric current that flows through cables and wires. Q: Has this ever happened to you? you walk across a carpet, reach out to touch a metal doorknob, and get an unpleasant electric shock? .the reason you get a shock is because of what? A:

OPTIONS:
- sunlight charge
- temperature charge
- solar charge
- electrical charge

Answer: electrical charge

Problem: OPTIONS:
- grass plants
- oxygen plants
- thermal plants
- vascular plants
Q: Answer the following question given this paragraph: Vascular Plants The vascular plants are the dominant and most conspicuous group of land plants. There are about 275,000 species of vascular plants, which represent more than 90 percent of Earth's vegetation. Several evolutionary innovations explain their success and their spread to so many habitats. Vascular Tissue: Xylem and Phloem The first fossils that show the presence of vascular tissue are dated to the Silurian period, about 430 million years ago. The simplest arrangement of conductive cells shows a pattern of xylem at the center surrounded by phloem. Xylem is the tissue responsible for long-distance transport of water and minerals, the transfer of water-soluble growth factors from the organs of synthesis to the target organs, and storage of water and nutrients. A second type of vascular tissue is phloem, which transports sugars, proteins, and other solutes through the plant. Phloem cells are divided into sieve elements, or conducting cells, and supportive tissue. Together, xylem and phloem tissues form the vascular system of plants. Q: What type of plant is the dominant group of land plants? A:
Answer: vascular plants

Problem:OPTIONS:
- sugar
- water
- bacteria
- yeast

Answer the following question given this paragraph: Bread has little holes in it from carbon dioxide produced by yeast. Q: Bread has little holes in it from carbon dioxide produced by what? A:
****
A: yeast

Problem:OPTIONS:
- balance
- thought
- sight
- touch

Answer the following question given this paragraph: 36.2 | Somatosensation By the end of this section, you will be able to: Describe four important mechanoreceptors in human skin Describe the topographical distribution of somatosensory receptors between glabrous and hairy skin Explain why the perception of pain is subjective Somatosensation is a mixed sensory category and includes all sensation received from the skin and mucous membranes, as well from as the limbs and joints. Somatosensation is also known as tactile sense, or more familiarly, as the sense of touch. Somatosensation occurs all over the exterior of the body and at some interior locations as well. A variety of receptor typesembedded in the skin, mucous membranes, muscles, joints, internal organs, and cardiovascular systemplay a role. Recall that the epidermis is the outermost layer of skin in mammals. It is relatively thin, is composed of keratin-filled cells, and has no blood supply. The epidermis serves as a barrier to water and to invasion by pathogens. Below this, the much thicker dermis contains blood vessels, sweat glands, hair follicles, lymph vessels, and lipid-secreting sebaceous glands (Figure 36.4). Below the epidermis and dermis is the subcutaneous tissue, or hypodermis, the fatty layer that contains blood vessels, connective tissue, and the axons of sensory neurons. The hypodermis, which holds about 50 percent of the body's fat, attaches the dermis to the bone and muscle, and supplies nerves and blood vessels to the dermis. Q: Somatosensation refers to what of the five senses? A:
****
A:
touch