Answer:
Insecticide-treated nets are the cornerstone of malaria prevention efforts in Africa. The report found that more than 53% of the population at risk in sub-Saharan Africa slept under a treated net in 2015, compared to 30% in 2010. Last month, who released the findings of a major 5-year evaluation in 5 countries
Explanation:
I believe it does not have lines of symmetry because of it being a three dimensional pyramid
It takes less time to form
Answer:
Because they do not have consistent data.
Explanation:
In the a case, there is a measurement (221.03 g) that is to far away from the others measurements, so this is an error that will change the result, and it needed to be measure again because is not trust value.
In the case of b and c measurements, is the opposite, the differences among one and other value is to close, in this way can be a repeated value, so there is not a significant difference, so again, the values are not trust.
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