List some reasons people live longer in some countries than in others?

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1. Access to clean water. Drinking and bathing in contaminated water can ultimately lead to disease and death.

2. Access to proper medicine. If you catch something small, like the flu, in some countries it is guaranteed death. Proper medicine also saves people with health conditions such as diabetes.

3. Available jobs and good economy. Having available working positions and a good economy, can earn you more money and can have you living comfortably and having enough money to provide the essentials for yourself and your family.

a and b!

dfroos means which is a and b

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.