Several days after a snow fall some houses still have roofs covered with snow while other roofs are clear because the snow melted relating to this home insulation why does this happen

chordata is the answer

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.