Answer:
C. naturalistic observation
Explanation:
Naturalistic observation: This is a research method mostly used by social scientists and psychologists. The techniques include observing the participants in their natural environment. This is a non-experimental, and qualitative research method. The different areas of interest are being recorded and observed by the experimenter or the researcher. The presence of the researcher or the experimenter might be either unknown or known to the participants. Researchers try not to make changes in the environment used for observation, as it can influence the outcome of the study.
The long-term average of weather variations in a specific area.
Answer:
Philadelphia
Explanation:
Philadelphia is the the busiest port. The city was built along the Delaware River. Many people moved to Philadelphia because of the port. Farmers, merchants, and traders in Pennsylvania, New Jersey, and Delaware relied on the Philadelphia port.