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3 years ago

In which two situations is sexual reproduction advantageous

Biology

1 answer:

stepan [7]3 years ago

5 0

option a is good answer for me

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Answer:

$\mathbf{cummulative \ incidence = \dfrac{60}{1000}}$

Explanation:

We recognize that total occurrence equals new cases of disease over time divided by the number of people at risk at the onset.

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$\mathbf{cummulative \ incidence = \dfrac{New \ cases \ of \ disease \ occurrence}{Number \ of \ population \ at \ risk \ at \ onset}}$

Given that:

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New cases during Jan 1 - Dec 31 = 60 because;

At 20 occurred on June 30 & 40 on Sept. 30) & no new cases were identified after that:

∴

$\mathbf{cummulative \ incidence = \dfrac{60}{1000}}$

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