Answer:
A. contracting muscle fibers.
C. burning calories
Explanation:
Isometric exercises are the exercises which cause the contraction of muscles only but not to change the length and joint of the muscles. It builds and maintain strength of the body and also helps in burning of calories as a result loosing of weight occur. This exercise burns about two to five calories per minute and boost your metabolism which leads to lower weight.
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<u>Answer:</u>
An operation can reduce the likelihood of biological contamination by purchasing seafood from approved, reputable suppliers
<u>Explanation:</u>
- There are many operations that reduce the probability of having the biological contamination.
- The simple yet effective operations are: cleaning the cooking utensils properly, properly wash hands with soap water before preparing foods, always seek the food from certified suppliers etc.
- By following this simple operation one can easily reduce the risk by big amount of having the biological contamination because contamination is caused by the contact of food to the dirty place containing the bacteria and other infectious organisms.