Biology
Biology, 09.07.2019 05:30, misaki2002

The death rates in the united states decreased more than 40 percent from 1930 to 2015. which factor could have contributed to this increase? a. increased food insecurity b. better medical facilities and treatments c. decreased farmland d. refusal of vaccines e. illiteracy

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The death rates in the united states decreased more than 40 percent from 1930 to 2015. which factor...

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