The answer is C, State Colonization Law of 1825
The increase in the number of surveys related to dogs in the period may have occurred due to the increase in the number of cases of non-elderly dog deaths.
First, an initial research was done to identify if there were any pathological or external agents, such as the weather, that explained the dogs' death. Once the causative agent is discovered, further research is commissioned to understand the mechanisms of action of the causative agent of death and ways to prevent such events from happening.
The answer is B. IT Specialists
Answer: C - Snellen
Explanation: A Snellen eye chart is used to measure visual acuity. This chart was developed in 1862 by a Dutch ophthalmologist Herman Snellen.
This chart uses alphanumeric capitals in its 5 by 5 unit grid. An example of the chart is attached.
The Snellen eye chart helps to determine the clarity of one's distance vision and it also helps to determine the legal visual acuity requirement for a valid driver’s license.