<span>Every 2 years, drivers in San Francisco must acquire a "smog certificate” to affirm the vehicle’s emissions test results and submit it with their registration renewal.
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Answer: Early adopter
Explanation: Individuals or groups who buy into a company's product before many others are called early adopters. Early adopters usually get a feel of the product or services before it becomes popular having already experienced the benefit and shortfalls of the product or services before many other individuals within the community.
Being among the first set of users or consumers, product manufacturers and impending consumers rely on early adapters to provide update about product shortfalls and general verdict on product performance.
Answer:
Heavy city traffic
Explanation:
Noise pollution is caused by excessive and unwanted sound that causes the sound problem. The high level of heavy traffic, noise and disrupt distract. It affects the deleterious effect on the health and environmental quality. Most of the people think that this is the problem occurring with only those people who are living in big cities.
There are different type of resources that cause noise pollution:
- Traffic and transport
- The constructions noise
- The workplace noise
- Domestic place noise
Answer:
Research is practical and realistic because it is based on the scientific method, which demands that research should be start with an hypothesis, that should be falsifiable (meaning that it can be proven right or wrong), followed by a scientific study in which the hypothesis is tested.
If the hypothesis is proven to be true, it does not mean that is conclusions will hold true for eternity, they could be proven wrong by further studies.
For this reason, research is both practica, because it is based on a practical method: the scientific method, and realistic, because it has a limited scope, and limited, verifiable understanding of reality, and can be proven wrong with other studies.
