The four main elements of the human body are oxygen, hydrogen, carbon, and nitrogen.
It was believed that even numbers are unlucky.
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Explanation: </u>
It is an old superstitious belief that even numbers are unlucky. In respect of the same superstition, a gun salute is set off odd numbers.
It is a gesture of bestowing great honor on a significant individual. Since long back in history, symbolism has been denoted to every numerical known. Hence, firing a gun for a certain of an odd number of times symbolizes varied kinds of respect in every country.
Some countries fire shots 21 times because number seven is sacred and lucky. Hence 
The answer is C (Random Words here because it said i need at least 20 characters 238rfy9oeais.vzgirea)
Answer:
D
Explanation:
u already know the others
Patrick Henery who claims the famous statement “I know not what course others may take, but as for me, give me liberty or give me death!”