Answer:
It's C. They are mostly made up of hydrogen and helium
N light microscopy, oil immersion is a technique used to increase the resolving power of a microscope. This is achieved by immersing both the objective lens and the specimen in a transparent oil of high refractive index, thereby increasing the numerical aperture of the objective lens.
Answer:The answer is BASE
If left untreated, excessiveerosion can lead to serious problems, such aswater sedimentation and ecosystem damage.Wind: Wind erodes the surface of a barren landmass in arid climates. Wind circulates and pushes particulates across wide bodies ofwater; a process known as deflation, which eventually leads toerosion.
