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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One disadvantage of the privately owned media is that is can be biased and it is not obliged to provide impartial (unbiased) information.
For example if the owner of the media has some opinion, he or she can force his or her workers to favour this opinion and to avoid mentioning the opposite side.
The answer could be schizophrenia or agitated dementia or a psychotic disorder.
Answer:
The railroad had major advantages over previous modes of transportation, being both flexible and dependable; they were not subject to winter ice as canals were, and were faster and more reliable than steamships. This was especially important when transporting agricultural products.
Explanation:
Railroads created a more interconnected society. Counties were able to more easily work together due to the decreased travel time. With the use of the steam engine, people were able to travel to distant locations much more quickly than if they were using only horse-powered transportation.
ANSWER: (D) or aka the 4th option
EXPLANATION:
On September 11, 2001, 19 militants associated with the Islamic extremist group al Qaeda hijacked four airplanes and carried out su**ide attacks against targets in the United States.
You can also look it up online for more details.