C. They are based on evidences obtained from investigation
Answer:
the answer is three
Explanation:
i took the test and it is correct
The current population of the United States of America is 325,372,521 as of Thursday, January 12, 2017, based on the latest United Nations estimates.
A net population decline resulting from an "excess of deaths over births".
Option: A
<u>Explanation</u>:
Demographic transition is a shift from higher to lower level of fertility and mortality.Rapid development in industrialization and urbanization in 
century resulted into enormous population growth. But decline in early 
century covered many reasons like consequences of two calamitous wars, where Europe suffered large population declination due to battle death and civilian causalities in World War I and II. Hence the acceleration of population growth in 19th century but downfall in 20th is also considered as balance.
Answer:
yes since 3(3/2) is 4.5, 3/2+3=5.5, 1/2+1=1.5, and x=1.5
Explanation:
