Answer:
Calcium
Explanation:
Calcium is an essential part in the strength of bones & teeth's, for it is a key component in the creation of the structures as well as the outer hardness of the two.
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John D. Rockefeller was able to monopolize the oil industry by purchasing several oil companies through the combined vertical and horizontal integration process. The monopoly Rockefeller created it with his company Oil Standar. This tycoon used a trust to obtain total control of the oil industry.
Answer: Because the janitor is aware of your plight, the first thing to consider is this being a trick to extort you or to waste your time. After considering it to be a trick, you still have to consider it to be true. This makes it a game of 50:50 chance ( that is equal chance to loss or win).
To approach this situation, you have to define an agreement with the janitor. The agreement should be "send me the chemistry master and I will pay you after I have written the exam to confirm it is actually a chemistry master or pay you 1/10 of your amount if it is not, to compensate your efforts". After sending this agreement, you should focused on your studies like you're not expecting a positive response from him.
Negotiation should not be involved in the agreement, as it will waste your time of studies.
No, there can be no equality if there is separation. Take for example segregation, where African Americans were separated from whites in public facilities like schools and restaurants. The two groups of people did not receive equal treatment, and therefore there was no true equality.
The middle kingdom came to a very sudden end. The Hyksos invaded and took over, and the last Egyptian ruler did not put enough effort into defense of the empire.
