Answer:
Democracy (Greek: δημοκρατία, dēmokratiā, from dēmos 'people' and kratos 'rule') refers to a form of government in which the people either have the authority to choose their governing legislators, or the authority to decide on legislation.
Explanation:
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Answer:
Aqueducts
First developed around 312 B.C., these engineering marvels used gravity to transport water along stone, lead and concrete pipelines and into city centers. Aqueducts liberated Roman cities from a reliance on nearby water supplies and proved priceless in promoting public health and sanitation.
Concrete
Many ancient Roman structures like the Pantheon, the Colosseum and the Roman Forum are still standing today thanks to the development of Roman cement and concrete. The Romans first began building with concrete over 2,100 years ago and used it throughout the Mediterranean basin in everything from aqueducts and buildings to bridges and monuments. Roman concrete was considerably weaker than its modern counterpart, but it has proved remarkably durable thanks to its unique recipe, which used slaked lime and a volcanic ash known as pozzolana to create a sticky paste. Combined with volcanic rocks called tuff, this ancient cement formed a concrete that could effectively endure chemical decay. Pozzolana helped Roman concrete set quickly even when submerged in seawater, enabling the construction of elaborate baths, piers and harbors.
Answer:
Control variable
Explanation:
During the conduction of experiments for research, a control variable is introduced as a variable the researcher conducting the experiment holds as a constant. It is neither the dependent variable nor the independent variable, but it is something that affects the outcome thereby making it important. Control variable and controlled variable are two different things as the latter is another name for independent variable.
Answer:
True
Explanation:
Family stress theory explains the sporadic stressors that occur to all families, and the reason behind certain family relationships disintegration when members are encountered with a stressful incident.
However, certain family bonds actually adapt and strengthen, depending on the family resources, which could be any or all of family cohesion, adaptability, and emotional support during a time of perceived stress.
Hence, in this case, the "family resources" element of Family stress theory suggests that family-based resources such as cohesion, adaptability, and problem-solving may be important factors in whether families survive or deteriorate when stressors are introduced, is considered TRUE.
