What is clear air turbulence (CAT)? Why does clear air turbulence represent a hazard to aviation?
What will be the ideal response?
ANSWER: If eddies form in clear air, this form of turbulence is called clear air turbulence (or CAT). When flying in an aircraft through such turbulence, the bumpiness may range from small vibrations to violent up and down motions that force passengers against their seats and toss objects throughout the cabin.
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Pure white sunlight contains all of the colors of the visible light spectrum
Indicate whether the statement is true or false
Diatoms are able to ________.
A. form chains to help floating, store oil to reduce their density, and produce two flagella that provide motility and reduce sinking B. form chains to help floating C. store oil to reduce their density D. form chains to help floating and store oil to reduce their density E. produce two flagella that provide motility and reduce sinking
Sedentarization, the rapid and progressive settling down of nomads, has been witnessed in recent decades. What are the causes of sedentarization?
All other factors being equal, which magma would flow the fastest?
- Low viscosity magma
- High viscosity magma
- Neither, magma does not have viscosity