las actividad se practica en la mayor parte del mundo ya que sea regiones áridas templadas tropicales o frías​

becasue in the south they disallowed slavery but in the north slavery was illegial this boilled into because mexico wanted slavery

the 22nd united states congress

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