I believe the answer is: <span>high-beam headlights.
When we're driving at night, the distance which could be covered by our normal eyes would be very limited.
</span><span>high-beam headlights had the function to provide additional range of vision for us to see the road further ahead in order to avoid collision.</span>
Standing in a campus courtyard with a clipboard to record your observations of students' usage of their cell phones is an example of ''Field research''.
Observing, interacting with, and understanding people when they are in a natural setting is the goal of field research, It is a qualitative approach of data collection. Natural resource conservationists, for instance, study animal behavior and response to various situations in their natural habitats.
Contrary to what is commonly referred to as experimental or lab research, field research methods include participant observation, data collection, and survey research. That's why Field research complements desk research, improves academic rigor, theories, and procedures, and offers a new perspective on conflict.
To learn more about field research here
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The geography made a lot of difference in the life and the economy of the Middle Colonies. The Northern Colonies lived along the colder, rocker coast. Their ability to farm was not as good but they were able to grow enough to keep their own families. The Southern Colonies were greatly involved in farming.. but it was not necessarily the edible kind. Most of their cash crops were cotton, cane sugar and indigo. These crops need a lot of moist damp soil. The Middle Colonies had a temperate climate that lent itself for growing most of the grains, fruits and vegetables for the cities. The Middle Colonies were known as the Bread Basket.
Answer:
Spain did this because they felt threatened.
