Which of the following helps explain the trend in life expectancy in America?

Question

anonymous · Answer

A. Multinational corporations have increased.	
B. Health care technology has improved.	
C. Satellites broadcast television around the world.	
D. More immigrants enter the country every year.	

I cannot find the answer in my textbook.

anonymous · Answer

no need for textbooks on this one

if MULTInational corps were the cause wouldnt they help other countries too?

b i'm liking b so far better health care for better life expectancy

c - television increasing life expectancy?  how exactly would that work? 

d - more immigrants (who would i'm guessing have a lower life expectancy) would tend to lower the average

do with b

anonymous · Answer

I thought so. Thanks! :)