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antiseptic1488 [7]
3 years ago
10

Improved nutrition, medical treatment, sanitation, and safety have contributed to the dramatic gains in average __________ in th

e united states in the last 100 years. brain age life expectancy functional age chronological age
Biology
1 answer:
Vika [28.1K]3 years ago
8 0
Life expectancy. <span>Improved nutrition, medical treatment, sanitation, and safety have contributed to the dramatic gains in average life expectancy in the united states in the last 100 years. Some previously deadly diseases were also wiped out, allowing more humans to live longer.</span>
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