Answer:
Grow crops to send to England.
Answer:
An observational study, not an experiment.
Explanation:
Researchers investigated reasons why different species of birds begin to sing at different times of the morning. They captured and examined birds of 57 species at different sites around England. They reported that there is a strong relationship between the diameter of a bird's eye and the time it starts singing in the morning: birds with larger eyes tend to start singing earlier.This is an example of An observational study, not an experiment.
Establishing colonies<span> would also allow </span>Spain<span> to increase its trade. This would also benefit the </span>Spanish<span> economy. Another reason for establishing </span>colonies<span> in the Americas was to spread their religion. The </span>Spanish<span> were Catholic and they wanted to do missionary work and spread the Catholic religion.</span>
Answer:
Brazil’s healthcare system continues to improve.
Explanation:
An improved healthcare system means a reduced mortality rate hence will have a variable impact on population increase.
In social studies, especially those in which you want to analyze or investigate the behavior, in many cases recreating the situation to be studied in a laboratory or the interaction of the researcher with the subject under investigation may be impossible or alter the result leading to false conclusions In these cases, the researcher resorts to naturalistic observation, which consists of observing or studying the subject in their natural conditions, in their environment, thus avoiding a change in the behavior of the researched, either because of the artificial nature of the experiment or because of the presence of a stranger, the researcher, in the environment.
Answer
In this case, the use of another method such as an interview or survey can result in a change of behavior or response by the interviewee, thus observing and recording the number of visitors without intervening with them is making a <em>naturalistic observation</em>
