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Home Page Test Answers Suppose we observe a Cepheid variable in a distant galaxy. The Cepheid brightens and dims with a regular period of about 10 days. What can we learn from this observation? - Q/A (Question and Answer)

Suppose we observe a Cepheid variable in a distant galaxy.

Question
Suppose we observe a Cepheid variable in a distant galaxy. The Cepheid brightens and dims with a regular period of about 10 days. What can we learn from this observation? – Q/A (Question and Answer)
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Matilda Campbell

Test Answer

Answer:

we can learn the distance to the galaxy

Recource CHAPTER 16: CONCEPT QUIZ

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What is the right structure for an essay
Answer
A paragraph is a related group of sentences that develops one main idea. Each paragraph in the body of the essay should contain:
  • a topic sentence that states the main or controlling idea
  • supporting sentences to explain and develop the point you’re making
  • evidence from your reading or an example from the subject area that supports your point
  • analysis of the implication/significance/impact of the evidence finished off with a critical conclusion you have drawn from the evidence.