Why does breathing become difficult for humans during a tornado
A: The wind becomes fast and hot.
B: Air pressure gets steadily lower.
C: The black area moves closer.
D: They are knocked to the groun
A: The wind becomes fast and hot.
B: Air pressure gets steadily lower.
C: The black area moves closer.
D: They are knocked to the groun
举一反三
- Why does breathing become difficult for humans during a tornado A: The wind becomes fast and hot. B: Air pressure gets steadily lower. C: The black area moves closer. D: They are knocked to the ground.
- When the diaphragm and external intercostals muscles contract, which<br/>of the following actions does NOT occur ____? A: Air moves into the lung B: The intrapleural pressure increases C: The diaphragm moves inferiorly D: The intrapulmonary pressure decreases
- Air tends to flow from a _______ pressure area to a _______ pressure. A: high, lower B: low, higher C: high, high D: low, low
- Low air pressure inside the funnel of a tornado forms a huge vaccuum.
- 18. According to the professor, why are tornadoes able to destroy houses so easily? A: They create differences in air pressure inside and outside the house. B: Humid air rises rapidly toward the top of the house. C: Rotating air enters the house. D: Lower air pressure inside the house causes it to collapse.