Visit a grocery store and look at the packets and cans of different food items.Read the details given on them ,find and note the
energy they contain.Make a list of various food items(at least ten)and the amount of energy they contain in kilojoules per 100gm or 100ml.Also mention whic food contain most energy and which contain least energy.
The canned food are packed with special packaging material to make the food item freshness last longer. The food items are preserved in tin packs with airtight packaging.
For the answer to the question above, I think that <span>the initial titer that has been done to her may have been done too early in the infection that detectable levels of antibody were not present yet so that's why they have to repeat it.</span>
