Answer the following question given this paragraph: An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. Q: What is the term used for a large body of air of the same temperature and moisture conditions? Choices: - air group - sky mass - air pool - air mass A:
air mass
(Question)
Answer the following question given this paragraph: Standardized measurements make it possible for people everywhere to get the same amount of something. Note the red and white labels on the gas pump above. These labels certify that the gas pump has been checked and is pumping an accurate gallon of gas. Standard measurements in science are very important so that we can compare experimental data from one lab to another and make sure we all are talking about the same thing. Q: What in science are very important so that we can compare experimental data from one lab to another and make sure we all are talking about the same thing? Choices: - Conventional measurements - available measurements - uses measurements - standard measurements A:
(Answer)
standard measurements
Ques: Answer the following question given this paragraph: Q: When do end portions of two nonsister chromatids trade places? Choices: - never - at night - during respiration - at every crossover A:
Ans: at every crossover
(Q).
Answer the following question given this paragraph: Making Connections: Absolute Zero What is absolute zero? Absolute zero is the temperature at which all molecular motion has ceased. The concept of absolute zero arises from the behavior of gases. Figure 13.9 shows how the pressure of gases at a constant volume decreases as temperature decreases. Various scientists have noted that the pressures of gases extrapolate to zero at the same temperature, 273.15C . This extrapolation implies that there is a lowest temperature. This temperature is called absolute zero. Today we know that most gases first liquefy and then freeze, and it is not actually possible to reach absolute zero. The numerical value of absolute zero temperature is 273.15C or 0 K. Q: The temperature at which all molecular motion has ceased is called what? Choices: - 0 degrees kelvin - stopping point - 0 degrees celcius - absolute zero A:
(A).
absolute zero
Ques:Answer the following question given this paragraph: Did you ever hear an echo of your own voice? An echo occurs when sound waves bounce back from a hard object. The man in Figure below is trying to create an echo by shouting toward a rock wall. When the sound waves strike the rock wall, they can't pass through. Instead, they bounce back toward the man, and he hears an echo of his voice. An echo is just one example of how waves interact with matter. Q: What sound can be heard when sound waves bounce back from a hard object? Choices: - loop - eerie - boom - echo A:

Ans:echo
Answer the following question given this paragraph: Physical science is the study of matter and energy. It includes the sciences of chemistry and physics. Most careers in physical science require a 4-year college degree in one of these fields. Some careers require more advanced education as well. For example, an astronaut might have a master's degree or even a doctoral degree. Q: What branch of science is the study of matter and energy? Choices: - environmental science - Chemistry - Thermodynamics - physical science A:
physical science