Refraction represents a change in the direction of propagation when beams of light encounter a medium with a different density.
Reflection is the return of light to the medium it came from when it encounters a mirror.
Answer:
They create categories for data.
Explanation:
They can create categories for data, by storing the data. Information itself can be stored in multiple ways, like creating categories!
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Answer:
Following are attached images that will help you understand the complete code. The code is tested with different variables and different outputs are obtained. All the necessary description is given in the form o comments inside the code.
Explanation:
Answer: WebMD
WebMD, with the URL https://www.webmd.com, provides credible health and medical information on the web.
Answer:
welfare
Explanation:
The Freemen's bureau was the first Welfare program in the US that was put forward in the year 1865 just after the assassination of Abraham Lincoln. It was headed by Oliver O Howard. And it was brought for providing the food, clothing, medical care, and education to the recently freed white refugees and the freed slaves. And it was supposed to be a kind of welfare.
