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Anna35 [415]
3 years ago
6

Life expectancy at birth for the world rose from 24 years to 26 years between 1000 and 1820, but by 2003, life expectancy had ri

sen to
Biology
1 answer:
inessss [21]3 years ago
4 0

Answer:

77.5 years

Explanation:

Preliminary data indicates that life expectancy at birth in the United States had reached a record high in 2003.

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Answer:

 A symbiotic relationship is the one where the interaction of different types of species takes place. The two species remain in close proximity. The relationship can be either harmful, or beneficial for both of the species. Commensalism, parasitism and mutualism are the examples of the symbiotic relationship. In commensalism, the two species lives in close association and one species receives the benefit and the other receives no harm and benefit. In parasitism, the two species lives in close association, in this one species receives the benefit and cause harm to the other species. In mutualism, the two species lives in close association, in this both species receives the benefit of association.

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Glycolysis provides a cell with a net gain of?
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