A case-control study was conducted to assess whether occupational radiation exposure among men was associated with Down syndrome in their children. The investigators matched cases and controls on age of the mother at childbirth by 5-year categories. Why was this done?

Answer:

Clinical thermometer use to check a two year old

Incomplete question. The complete reads;

What are the 2 things you want to clarify on this topic?   The topic is: Optimize Energy Through Dance​.

Explanation:

Indeed, it is possible to optimize energy through dancing. Here are two (2) reasons that clarify this topic:

1. Bodyweight reduction: Many health professionals agree that when one engages in physical activities like dancing they burn out excess calories which reduces their body weight; giving them more (optimized) energy.
2. Increased body flexibility: There is also an improvement in body flexibility when one dances regularly because their muscles become more flexible and their bones are trained for quick body movement.

Final answer:

The two things to clarify include the use of Topic Sentences, which announce the main idea of a paragraph, and the 'Clear It Up' feature, which can provide greater detail and clarity on complex points or misconceptions within a topic.

Explanation:

The question asks for two things to clarify in the topic, but without specifying the exact topic. Assuming the general context of topic development and understanding in written communication, we can clarify two main points.

The first one is Topic Sentences. A topic sentence is the first sentence in the paragraph that gives your reader a brief synopsis of what they should expect to read. It presents the main idea and shows the direction of your paragraph. To efficiently use a topic sentence, it should state the topic and the controlling idea. For instance, 'Air pollution in cities is a growing problem that needs to be addressed immediately.' Here, the topic is 'air pollution in cities,' and the controlling idea is that it is a 'growing problem that needs to be addressed.'

The second point is about Clear It Up (CIU) features. They help to address common misconceptions and provide deeper explanations of the content presented in the main body of the text. A good CIU starts with a question, with the rest of the feature explaining the answer, thereby enhancing the comprehension and scope of knowledge of the topic.

Learn more about Topic Development here:

brainly.com/question/28185841

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