Answer:
Obstructive lung diseases include conditions that make it hard to exhale all the air in the lungs. People with restrictive lung disease have difficulty fully expanding their lungs with air.
Answer:
Attack rate is calcu
Explanation:
Attack rate is calculated using the formula below;
Attack rate = total number new cases
___________________ x 100
total population
For community A, attack rate = 486/892 = 0.5448
0.5448 x 100 =54.5 %
For community B, attack rate = 208/10000 = 0.0208
0.0208 x 100 =2.08 %
The answer is A. When the baby yawns, the baby is not experiencing stress.
Heat it is placed near fire and the sun is a ball of fire