Demographers are scientists who study human populations. They tend to map and understand the dynamics of population, which includes birth, death, and migration. All of these affects population and must be studied by demographers. They may study the population change within a country or the interrelationship of countries' populations, which is mostly necessary in studying migration. However, they could also take specialization. For example, they could study only parts of the population like workers' social pattern. Demographers mainly use statistics in mapping their data.
Answer:
make a decision about the stimulus.
Explanation:
Donders wanted to find out the level of cognition that was required in order to react to a stimulus. Cognition is the act of receiving a stimulus and understanding it completely.
The reaction time of various stimuli were noted and analyzed. The stimuli differed by their level of complexity. A longer time would indicate that the brain was taking longer to complete the cognitive processes. This was one of the first experiments in the field of cognitive psychology.
The correct answer is letter d. mountain men.
Mountain men are described as <span>explorers or adventurers, who dwells </span>inside the wilderness<span>. Mountain men </span>have been most common within the Rocky Mountains in North America <span>from </span>approximately<span> 1810 and throughou</span><span>t the </span>1880s.
New England was unsuitable for agriculture on any large scale due to the rocky and mountainous terrain.