The mass extinction at the end of the mesozoic era was caused by a.. solar radiation. c.. an ice age. b.. a meteor or asteroid colliding with earth. d.. volcanic activity.

the real answer is b

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