What is the breaking of rocks due to constant expansion and contraction called a chemical weathering b mechanical weathering

Your answer would be, B. Mechanical Weathering :)

consider an orange peel: if you want to try and lay it flat, you have to stretch it, we know exactly how things are being stretched or squashed at any given point. we have many different map projections because each has different patterns of some projections can even preserve certain features of the earth without