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A greenhouse is a building with glass walls and a glass roof. In the daytime, sunlight shines into the greenhouse and warms the plants and air inside. At nighttime, it's colder outside, but the greenhouse stays pretty warm inside. That's because the glass walls of the greenhouse trap the Sun's heat.
Explanation:
Depends on what relationship you have with this "other guy". If he's just a friend to you it shouldn't even be considered romance unless you flirt or hook up. If he is a romantically relationship than you are definitely cheating.
The Progressive Era (1890 - 1920) Progressivism is the term applied to a variety of responses to the economic and social problems rapid industrialization introduced to America. Progressivism began as a social movement and grew into a political movement. The early progressives rejected Social Darwinism.
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The Italian city-states were a political phenomenon of small independent states mostly in the central and northern Italian Peninsula between the 9th and the 15th centuries.
After the fall of the Western Roman Empire, urban settlements in Italy generally enjoyed a greater continuity than in the rest of western Europe. Many of these towns were survivors of earlier Etruscan, Umbrian and Roman towns which had existed within the Roman Empire. The republican institutions of Rome had also survived. Some feudal lords existed with a servile labour force and huge tracts of land, but by the 11th century, many cities, including Venice, Milan, Florence, Genoa, Pisa, Lucca, Cremona, Siena, Città di Castello, Perugia, and many others, had become large trading metropoles, able to obtain independence from