<span>Agar
is known to be a gelatinous polymer substance that was commonly used in the
laboratory setting as a substrate. Thus, nutrients agar can grow different types
of microbes such as fungi and bacteria while MacConkey agar is made with bile
salts and crystal violets, these additives cause the agar to only grow Gram –
negative bacteria. However, nutrients agars grow more organisms because it
contains nutrients from either beef broth or yeast extracts when compared with MacConkey
agar.</span>
These jobs are geneticists and criminologists! Geneticists study genes and how they're inherited, seeing where the DNA came from. Criminologists will supply the samples to the geneticists, as they take them from the crime scene.
Answer:A
Explanation:Ice on the leg for 20 minutes has no effect on the prevention of DVT