Among graduated cylinder, volumetric flask and beaker, which is more accurate and why

Volumetric flask is the most accurate because making solutions often requires very exact volumes. Graduated cylinders are next most accurate because they can be nade thin and thus very precise. Beakers are least accurate because they are thick and extremely accurate measurements are not usually needed in beakers so manufacturers are generally less precise.

D.na is the answer hope this

Decomposition is the cycle at which bacteria breaks down any organic material into the soil