Answer:
There are many factors
Explanation:
Humans die everyday because there are 7 billion so it's bound that they die everyday. You can die from many things but since there are so many people and we have short lifespans people die very often.
The answer is 1.True, 2.False, and the last question is either D or C
There are a few Presidents that did not have a Vice President.
John Tyler / 1841 - 1845 - no Vice President
Millard Fillmore / 1850 - 1853 - no Vice President
Andrew Johnson / 1865 - 1869 - no Vice President
Chester A. Arthur / 1881 - 1885 - no Vice President
There are Presidents that have gone their terms without a Vice President, but listed above are the ones that never had one.