C. Primary source document
It was a source<span> of information that was created at the time under study.</span>
It was about seven billion
this is according to the United States Census Bureau, which argued that the world was seven billion as in March 2012. The United Nations on the other hand asserts that, however, the world population reached the seven billion mark in 2011. Currently the population stands at 7.6 billion.
I’m not sure but I think it’s the second one
Answer:
i am not in high school bur most of this you can ask in google
Explanation:
