Aprocess in which pigments from a leaf can be separated out of solution is called a. chromatography b. buffering c. catabolism d. titration

Which group of chordates does  notpossess true backbones?                 a.  birds      b.  frogs and toads      c.  lampreys      d.  crocodilians

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe