On the periodic table, how is atomic mass represented? A - as an average of the mass of different isotopes

B - as the mass of the most common isotope

C - as the masses of all the protons added together

D- as the exact mass of every atom

fire could start, buildings collapsing, and ash falling from the sky.

explanation:

this is because the buildings or plants could catch on fire and the buildings would most likely collapse. lastly ash would fall because all the burning would cause ash to fall from the sky.

hope this .

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.