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Each sketch shows a converging lens of focal length f,an object,and an image.The object is black and the image is grey.Which of the drawings could be correct?
Nuclear-Weapon Capability
The status of having the technological and material resources necessary to produce and deploy weapons of mass destruction that use nuclear reactions.
Countries
Nation-states with defined boundaries and sovereignty over its territory, recognized by international law and organization.
Gross Domestic Product
The total market value of all goods and services produced within a country in a specific time period, serving as a broad indicator of a country's economic performance.
Services Produced
The output of economic activities that provide intangible benefits or fulfill needs, such as education, healthcare, and entertainment.
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