Answer:
The Roman aqueduct was a channel used to transport fresh water to highly populated areas. Aqueducts were amazing feats of engineering given the time period.
Explanation:
Answer: He was referring to the production technologies i.e. the methods employed to extract, produce and utilize resources were man-made and far from naturally ideal.
Explanation: Barry Commoner was an American cellular biologist, professor and politician. He was a leading ecologist and among the founders of the modern environmental awareness movements.
The above excerpt is from his book, The Closing Circle published in 1971, where Commoner exposed the role of capitalism and profit as root causes of environmental degradation, at a time when majority of writers were blaming individual behaviour or overpopulation for pollution.
Answer:
A group comparison study
Explanation:
In group comparison study, an experiment compares two groups(the beareaved and nonbeareaved adults in the above study) such as in testing the effects of a treatment where a "comparison group" receives either an alternative treatment or no treatment so that it functions as a source of "counterfactual" causal inference for the purpose of the experiment.
The demand curve only shows the relationship between the price and quantity. If one of the other determinants changes, the entire demand curve shifts. B Shifts the curve
<span>Yes, because it belonged to the south-west of Iran.
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