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.
As with all spinal fusion surgery, a posterior lumbar interbody fusion (PLIF) involves adding bone graft to an area of the spine to set up a biological response that causes the bone to grow between the two vertebral elements and thereby stop the motion at that segment.