Answer:
c) The pleural cavity keeps the lungs attached to the ribcage.
Explanation:
Just took the quiz:)
A bad social and educational experience
Answer:
Overall attack rate is calculated by dividing the number of infected individuals by the total population.
Explanation:
Attack rate = Number of infected or ill persons × 100
__________________________
Total population
Attack rate in community A:
486 × 100
___
892
= 54.5%.
Attack rate in community B
208 × 100
___
10000
= 2.08%.
