You can use A.D for before his birth and B.C. for after.
Answer:There arent any directions
Explanation:
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
The patient may have internal bleeding or infection. I would go with internal bleeding because surgery was recent. The clips can come off the artery easy to cross clip.
Metaphase. Easy way to remember is this is the chromatids align on the metaphase plate