Answer the following question given this paragraph: Mole-mole calculations are not the only type of calculations that can be performed using balanced chemical equations. Recall that the molar mass can be determined from a chemical formula and used as a conversion factor. We can add that conversion factor as another step in a calculation to make a molemass calculation, where we start with a given number of moles of a substance and calculate the mass of another substance involved in the chemical equation, or vice versa. For example, suppose we have the balanced chemical equation. Q: What effect, related to weather forecasting, occurs not only for sound but for any wave when there is relative motion between the observer and the source? Choices: - pulse - echo - precipitation - doppler A:
doppler
Answer the following question given this paragraph: What happens when forces of evolution work over a long period of time? The answer is macroevolution. An example is the evolution of a new species. Q: What happens when forces of evolution work over a long period of time? Choices: - substantial evolution - Microevolution - developmental evolution - macroevolution A:
macroevolution
Q: Answer the following question given this paragraph: thrombosis, can be caused by excessive numbers of platelets. A thrombus is a collection of fibrin, platelets, and erythrocytes that has accumulated along the lining of a blood vessel, whereas an embolus is a thrombus that has broken free from the vessel wall and is circulating in the bloodstream. Q: What is a collection of fibrin, platelets, and erythrocytes that has accumulated along the lining of a blood vessel called? Choices: - atherosclerosis - embolus - clots - thrombus A:
A: thrombus
Question: Answer the following question given this paragraph: Steroid hormones are made of lipids, such as phospholipids and cholesterol. They are fat soluble, so they can diffuse across the plasma membrane of target cells and bind with receptors in the cytoplasm of the cell (see Figure below ). The steroid hormone and receptor form a complex that moves into the nucleus and influences the expression of genes, essentially acting as a transcription factor. Examples of steroid hormones include cortisol and sex hormones. Q: What are steroid hormones made of? Choices: - water - amino acid - organisms - lipids A:
Answer: lipids
*Question*
Answer the following question given this paragraph: The value of , the ideal gas constant, depends on the units chosen for pressure, temperature, and volume in the ideal gas equation. It is necessary to use Kelvin for the temperature and it is conventional to use the SI unit of liters for the volume. However, pressure is commonly measured in one of three units: kPa, atm, or mmHg. Therefore, can have three different values. Q: What are kpa, atm, and mmhg measurement units for? Choices: - temperature - weight - velocity - pressure A:
**Answer**
pressure
Answer the following question given this paragraph: Moving water has energy ( Figure above ). That energy is used to make electricity. Hydroelectric power harnesses the energy of water moving down a stream. Hydropower is the most widely used form of renewable energy in the world. This abundant energy source provides almost one fifth of the world's electricity. The energy of waves and tides can also be used to produce water power. At this time, wave and tidal power are rare. Q: Hydroelectric power harnesses the energy of what? Choices: - weather - heat - air - water A:
water