the test tube has air inside it.In the outer surface of the test tube is water.Due to the different media across the test tube surface the reflection of light occurs through the glass surface.Hence the test tube shines(behaves)like a mirror. Was this answer useful? Zaf. 12,624 Contributions.
Yoga fusion refers to any number of exercise routines that incorporate yoga into the regimen in some manner. This includes classes and workouts that directly use yoga postures in their sequencing to more abstract concepts, such as Yoga and Vino, which might involve taking a yoga class and then sampling wine afterward.
Posterior lumbar interbody fusion (PLIF) is a form of traditional open spinal fusion used to treat degenerative spine conditions in the lower back. Living with the pain of a lumbar spine condition can be detrimental to your quality of life. As time continues and your condition worsens, you may find yourself unable to perform simple daily activities that you used to enjoy.