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1,000 mg for adults / 1,300 mg for kids.
Calcuim
Expensive: many money is needed. Inexpensive: a low amount of money is needed.
the difference between the amount of oxygen needed for totally aerobic muscle activity and the amount actually used
Calcuim is important to the health of a society, it is needed for healthy, strong bones and teeth. It is a nutrient. Calcium can also be used in chemistry.
oxygen is released as a by product of photosynthesis performed by plants
Think of making something like a can out of sheet metal. The surface area of a cylinder the same size as the can is the amount of material (in square units) needed to make the can. The volume would be the amount of substance that the can will hold.
Could you explain why these qualities would be needed inyour chosen job
the differrence between these two kinds of things is that they both have the weight in tthem
There is not much of a difference. The bachelor's degree can take between 120 and 128 credits depending on the major.
the amount needed is the amount that's taken by the bear
more if 400 is added to 522 the total is only 922 so has not reached 976 actual 54 more needed so 976 - 522 = 400 + 54 = 454 if exact difference is needed to be known