because they work with a lot of people and they know when they see someone unhealthy
Many foods<span> can cause </span>allergies<span> to some people when eaten or touched. Peanuts are an especially prominent food allergy as well as </span>citrus fruits<span>, tomatoes, and milk.</span>
Answer:
<em>398 deaths were caused by Alzheimer.</em>
Explanation:
Proportionate mortality rate (PMR) gives the proportion of deaths in a given population over a period of time, this can be linked to various causes.
Mathematically PMR is reoresented below;
PMR =
X 100
where
= No. of death from a specific cause (In our case Alzheimier )
= Total No. of death at a given period
from the question the parameters were given except the number of death from Alzheimier
1.87 =
multiply both side by 21,270 to isolate 
= 1.87 x 21,270
Divide both side by 100 to obtain 
= 
= 397.749
since dead people can not be divided
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<em> </em>
Gopnik argues that babies learn so much in such a short period of time because they need to, to be able to survive in the world.