Answer: The answer is B. Only about 1% of the freshwater on Earth is easily accessible.
The correct answer is C. Arches.
Explanation
The arch is the name by which a type of semicircular structure is known, which is used as a support for buildings because it provides great stability to them, due to the distribution of the load that allows it to support large amounts of weight. This form of architecture developed in ancient civilizations like Mesopotamia. However, its greatest use was in ancient Rome, where it was used in different structures with domestic functions such as sewers, aqueducts and bridges; and larger buildings such as theaters and the monumental Roman Coliseum. So, the correct answer is C. Arches.
Answer:
Material culture refers to the objects or belongings of a group of people.
Answer:
Non-participant observation
Explanation:
Non-participant observation is the observation in which a researcher observes his participants for his study with their knowledge. But the researcher will not take an active role in the research. This research has been criticized many times. In observation, people behave differently every time. Data collection will be invalid. Hawthorne effect is the example of non-participant observation.
Thus Joe is going to study how prisoners are behaving in the therapy session and prisoners don't know someone is observing them is the example of the study of non-participant observation.