Comes from the first verse called the Hakku
Answer:
D. They provide a comparable estimate of the frequency of exposure in the absence of disease
Explanation:
Case-control study: The case-control study is also referred to as a case-referent study. This is one of the types of observational study that compares and identifies two different groups which differs in outcome based on a few casual attributes.
In the case-control study, two steps are involved:
1. To identify the cases. Here, the cases are known as a group that consists of the outcome.
2. The controls are a group which is known to be free from the outcome.
In the question above, controls are needed in a case-control study because they provide a comparable estimate of the frequency of exposure in the absence of disease.
Answer:
Nature of parent's work
Explanation:
Work-related stress and time constraints have been shown to have negative effects on individuals and spill over into the family and affect relationships within it, including the quality of parent-child relationships.
When oil companies expect the price of oil to be higher next year, then the supply of oil decreases.
Among commodities, oil is the gem. Plastics, asphalt, and fuel are just a few of the uses for it. Because of this, the oil industry is a major driver of the economy, and governments, businesses, investors, and traders actively monitor fluctuations in oil prices.
The global economy can be rocked by volatile oil prices. Oil prices are affected by changes in both consumption and supply. Oil is not, however, a luxury good like a diamond or caviar, which has a limited use and most people can live without. The price of oil is mostly determined by market forces because it is both plentiful and in high demand.
Supply and demand, a fundamental tenet of economics, is one factor that influences oil prices. According to the law of supply and demand, when supply rises, prices should fall.
Learn more about oil here
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