Answer:
Calcium carbonate is considered a compound because it is made up of two or more elements. *The elements are carbon, oxygen, and calcium.-Just incase you needed them.*
Step-by-step explanation:
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Hopefully I was right and it helped.
To add and subtract fractions you have to have the denominators as the same number. Say you have 1/2 - 1/4 and you need to solve. You will need to make the denominators the smallest number that they both go into. In this case, they both go into 4.
Since the fraction we need to change, 1/2, has a numerator of 2, and 2 times 2 is four, you need to multiply the numerator and denominator by 2. Then you get 2/4. Now subtraction is easy!
Subtract the numerators and keep the denominator. 2/4 - 1/4 = 1/4
<span>Joyce still has 15 years
before retirement; this is not yet too late to start. If Joyce will put her money in the bank, the
highest interest would only be 1%, minus interest depending on her
savings. Investing in the stock market
can also be a great choice. The best
choice would be investing in a business venture in a reputable company.</span>
Answer:purple
Step-by-step explanation:by changing colors