What Two Observable Properties of a Cepheid Variable Are Directly

question 23

Multiple Choice

What two observable properties of a Cepheid variable are directly related to one another?

• A)the period between its peaks of brightness and its distance
• B)its luminosity and its mass
• C)the period between its peaks of brightness and its luminosity
• D)its mass and its distance

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Email Communication

The use of electronic mail for exchanging messages, documents, or information, which can have legal significance, especially in business transactions.

Web-Based Communication

The exchange of information through internet-based platforms, including email, instant messaging, social media, and websites.

Acceptance

In contract law, the act of agreeing to an offer's terms, thereby creating a binding contract.

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The legal right to demand compensation or correction from a person or entity that has not fulfilled their obligations.