Answer: Political scientist
Explanation:
Political scientist is the person who studies beginning, development, trend and function of any political system as a finding or research.This study is based on studying political regulation, operations, government policies,political history etc.
According to the question, David should contact political scientist for gaining information about highest expected age-group to vote in election as per their analyzation and study of political system or field and trend.
Answer: A) Reduced; Safer
Explanation: Equiping highway riders especially drivers with adequate knowledge as regards safe driving tips such as being conscious of driving speed and speeding areas on the highway, the use of traffic pointers, poor habits which should be avoided while or prior to mounting the wheels and explaining essential traffic rules.
If drivers abide and put these knowledge into use, there will be reductiin in the need for highway policing which are used to keep drivers in check and the cost expended on damages caused by reckless and careless driving. This will inadvertently lead to a safer highway for both drivers and commuters.
Answer:
This is an example of B. Stimulus enhancement.
Explanation:
Stimulus enhancement refers to the ability to <em>learn the relation between a stimulus and its consequences.</em> This is learnt by observing another individual or being carry a certain action out.
In this case, one dog starts sniffing for potential scraps of food; this action enhances the other dogs to copy the sniffing behavior, even in different areas.
