<span>All of the above
</span>They all work together.
Answer:
Explanation: The final volume is equal to the aliquot volume PLUS the diluent volume: 0.1 mL + 9.9 mL = 10 mL.
The dilution factor is equal to the final volume divided by the aliquot volume: 10 mL/0.1 mL = 1:100 dilution.
Cooling, freezing, fermentation, sun-drying, etc., are few age-old food preservation techniques. With the advent of technology, modern methods of food preservation were developed. Chemicals and other natural substances were used for preservation. These substances are known as preservatives.
Adding preservatives is the chemical method of food preservation. Conventional antimicrobial preservatives include <em>calcium propionate</em>, <em>sodium nitrite</em>, <em>sodium nitrate</em>, <em>sulphites</em> (<em>sulfur dioxidepotassium hydrogen sulfite</em>, <em>sodium bisulfite</em>, etc.) and <em>disodium EDTA</em>. <em>BHA </em>and <em>BHT </em>are antioxidants.
To make sure its clean so when they reuse the needle it doesn't give the next guy aids before killing him.<span />
