Wasn't in class

I wasn't in class on Friday, so I didn't know if I needed to blog or not.  I decided to because I wanted to put the notes I wrote on Friday:

• over 7 billion people are on the planet right now
• it is increasing by 73 million people per year
• increasing by about 201,000 people per day
• increasing by 8,377 people per hour
• increasing by 140 people per minute
• increasing by 2.3 people per second
• 90% of the population growth takes place in the developing countries of Africa, South and East Asia, and Latin America
• Life expectancy: the average number of years to be lived by a group of people born in the same year
• High: Monaco (89.68 total: 80.57 men, 93.77 women)
• #50: U.S. (78.49 total: 76.05 men, 81.05 women)
• Low: Chad (48.69 total: 47.61 men, 49.82 women)