1. have the total number of cancer deaths since 1990 increased or decreased? 2. has the rate of death per 100,000 people increased or decreased?

3. a rate is a measure of frequency, or how often something happens. the blue line shows the rate of cancer deaths. do you think this graph represents an improvement in medical care? why or why not?

4. take into account that the fact that earth’s populations are increasing. how could this fact explain the differences in the cancer death rate vs the total number of cancer deaths?

5. what factors of society are different in 2016 than 1990? make an inference about what may be affecting the total cancer death rate.