Rocks carried by the river smash together and break into smaller pieces. This process is called . mass wasting suspension attrition abrasion

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

idk im sorry.

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