It's the fact that water expands as it freezes so ice that forms on the surface stays on the surface because it's less dense than the liquid water, if it got denser when it froze the ice would sink to the bottom and thus the fish would die. So because it expands the ice stays on top, and water stays at the bottom where the fish can stay alive.
Answer:
alienation
Explanation:
Based on the information provided it can be said that this resulted in a feeling of powerlessness and estrangement that he called alienation. This is a term coined by Sociologist Karl Marx in which describes a condition that is caused by an individual receiving a low degree of integration as well as a high degree of isolation. Such as being treated how the company's treat these workers.
Communities vary in composition over space but usually not in composition over time - false.
<h3>
What is known as the changes in community structure and composition over time?</h3>
Community structure is influenced by many factors, including abiotic factors, species interactions, level of disturbance, and chance events.
Some species, such as foundation species and keystone species, play particularly important roles in determining their communities' structure.
Community dynamics are the changes in community structure and composition over time, often following environmental disturbances such as volcanoes, earthquakes, storms, fires, and climate change.
Communities grow and change over time.
New people move in and other people move out. New buildings are built and new roads are paved. Your community has a history.
Communities with a relatively constant number of species are said to be at equilibrium.
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Answer:
It insisted that charity workers live in slum neighborhoods to better understand the living conditions of the poor, is the right answer.
Explanation:
A social movement began in the 1880s in England and the United States that intended to establish settlement houses in poor urban areas came to be known as the Settlement-House Movement. The main objective of this movement was to bring all the classes of society to live together in an area. This movement insisted that charity workers would live with the workers sharing their knowledge and culture and to better understand their living conditions. This living together aspect of the charity workers with the poor distinguishes the Settlement House Movement from the other urban social-welfare movements.
