Which of the following is True about HIV/AIDS ?

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Which of the following is True about HIV/AIDS ?

I- Women comprised 58 percent of HIV-positive adults in the Sub-Sahara
II- AIDs infection rates in Africa are highest among urban high
III- in 2001 40 million people with HIV/AIDS lived in sub-Saharan Africa
IV- Since 1981 120 million people have died of AIDS
A. I and II only
B. III and IV only
C. I, II and III only
D. I, II , III and IV

The disease burden could be measured by calculating _________ combining years lost through premature death and from living with disability?

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The disease burden could be measured by calculating _________ combining years lost through premature death and from living with disability?

A. mortality-adjusted lifelong
B. premature living age
C. life mortality-fertility ratio
D. disability-adjusted life years

Technological improvements in agriculture that shift the supply of agricultural commodities to the right tend to ?

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Technological improvements in agriculture that shift the supply of agricultural commodities to the right tend to ?

A. increase total revenue to farmers as a whole because the demand for food is elastic
B. increase total revenue to farmers as whole because the demand for food is inelastic
C. reduce total revenue to farmers as a whole because the demand for food is elastic
D. reduce total revenue to farmers as a whole because the demand for food is inelastic

If a supply curve for a good is price elastic then ?

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If a supply curve for a good is price elastic then ?

A. the quantity supplied is sensitive to changes in the price of that good
B. That quantity demanded is insensitive to changes in the price of that good
C. the quantity demanded is sensitive to changes in the price of that good
D. the quantity supplied is incentive to changes in the price of that good
E. None of these