Sample could get contaminated with an acid. because vinegar contains acetic acid.Acetic acid is the second simplest carboxylic acid (after formic acid) and consists of two small functional groups, an acetyl group (sometimes symbolized as Ac) and a hydroxyl group (AcOH); it can also be viewed as a methyl group and a carboxyl group linked. It is an important chemical reagent and industrial chemical
<span>The correct answer to this question is C - an autotroph is an organism that has to produce it's own food rather than finding sources of food elsewhere, so an example of this might be a primary producer. Plants and certain types of bacteria are all autotrophic.</span>
Answer:
<em>A</em><em> muscle connected anteriorly to the base of each locomotor appendage in an onychophoran</em>
