D. Phytoplankton are most efficient
The incidence rate of active TB cases for the 6-month period was 130 per 100,000 population.
<h3>How to calculate the incidence rate?</h3>
The incidence rate is calculated as the number of new cases of the disease reported divided by the resident population in the place and year, multiplied by 100,000 inhabitants.
With this information, we can conclude that the incidence rate of active TB cases for the 6-month period was 130 per 100,000 population.
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Answer:
It would be 3 though I think the NAHDA is a typo likely means NADH
Explanation:
Oxygen-16 and Carbon-12 are stableisotopes of elements O and C respectively. Hence, they do not have half-lives. But Carbon-14 andUranium-238 are radioactive isotopes. Among them Carbon-14 has relatively short half-life as about 5730 years while Uranium-238 has a long half-life as about 4.5 billion years.
Answer is. uranium-238
