Which component does a descriptive investigation include? a) observations b) control group c) comparisons d) hypothesis

My answer to the question is Option A.

A) observations

Explanation:

A descriptive investigation will include observations of the experiment that is being conducted so a solid conclusion can be formed.

analyze the map below and answer the question that follows.

what does the map above tell us about the endemity of typhoid fever?

a.

there is greater occurrence of the disease in the western hemisphere.

b.

there is greater occurance of the disease in the northern hemisphere.

c.

countries located in equatorial regions are more likely to have incidents of typhoid fever.

d.

typhoid fever is more rampant among caucasian populations.

answer; seattle and los angeles; (west)