How does Gram Sabha in a village work democratically?

Hurry ! between 1900 and 2010, how did the world’s population change? a. it increased from about 1.5 billion to almost 7 billion. b. it decreased from about 7 billion to about 1 billion. c. it increased from about 5 billion to about 7 billion. d. it decreased from about 7 billion to about 1.5 billion.

In your opinion which are the 3 most important statistics to improve to promote a better future in america and why?

The following force measurements were taken during actual testing of the lever pictured. what is the ama of this lever?