PLEASE GOD HELP!! WILL GIVE BRAINLIEST

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.

Telling your brain to slow down and focusing on details are crucial activities in which positive study habit?

Many members of the civilized tribes farmed