Answer the following question given this paragraph: 4. Electricity is made when some type of energy turns a turbine. Explain how this happens and give two examples. Q: What is created when energy turns a turbine? Choices: - light - torque - force - electricity A:
electricity
Answer the following question given this paragraph: The topography of a region can be shown on a map. Topographic maps represent geographical features, such as hills and valleys. Topographic maps use contour lines to show geographical features. A contour line is a line of equal elevation. If you walk along a contour line, you will not go uphill or downhill. Topographic maps are also called contour maps. The rules of topographic maps are:. Q: On a topographic map, what is the term for a line of equal elevation? Choices: - latitude line - crater line - aurora line - contour line A:
contour line
Q: Answer the following question given this paragraph: The classes of elements are metals, metalloids, and nonmetals. They are color-coded in the table. Blue stands for metals, orange for metalloids, and green for nonmetals. You can read about each of these three classes of elements later in the chapter, in the lesson "Classes of Elements. ". Q: Metals, metalloids, and nonmetals are the different classes of what? Choices: - compounds - structures - ions - elements A:
A: elements
Question: Answer the following question given this paragraph: Epithelial tissue consists of cells that cover inner and outer body surfaces. Examples include skin and the linings of internal organs. Epithelial tissue protects the body and its internal organs. It also secretes substances such as hormones and absorbs substances such as nutrients. Q: What type of tissue consists of cells that cover inner and outer body surfaces? Choices: - Soft Tissue - aberrant ? - mitochondrial ? - epithelial? A:
Answer: epithelial?
*Question*
Answer the following question given this paragraph: Figure 39.14 (a) Birds have a flow-through respiratory system in which air flows unidirectionally from the posterior sacs into the lungs, then into the anterior air sacs. The air sacs connect to openings in hollow bones. (b) Dinosaurs, from which birds descended, have similar hollow bones and are believed to have had a similar respiratory system. (credit b: modification of work by Zina Deretsky, National Science Foundation). Q: Birds have a flow-through respiratory system in which air flows unidirectionally from the posterior sacs into the lungs, then into these? Choices: - posterior bronchi - gills - alveoli - anterior air sacs A:
**Answer**
anterior air sacs
*Question*
Answer the following question given this paragraph: Q: What chemical substances are secreted by animals that communicate by odor or taste? Choices: - alaki - hormones - acids - pheromones A:
**Answer**
pheromones