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): fusion procedure where spine is accessed through patientâs back. What is Posterior Lumbar Interbody Fusion? Posterior lumbar interbody fusion, or PLIF, is intended to relieve back and leg pain by removing a damaged lumbar disc and fusing the two adjacent vertebrae together using bone graft material. The approach for this procedure is from the patient's back, or posterior. Who needs Posterior Lumbar Interbody Fusion? Your doctor may determine you are a candidate for Posterior Lumbar Interbody Fusion if you have a history of mechanical low back pain. This low back pain may or may be accompanied by leg pain.