An Astronomer Plots the H-R Diagram of a Star Cluster

question 225

Multiple Choice

An astronomer plots the H-R diagram of a star cluster and finds that it contains hot B-type stars on the main sequence and cooler G- and K-type stars noticeably above the main sequence. This cluster is

• A) very young because the G and K stars are still evolving toward the main sequence.
• B) of indeterminate age since the age of the cluster cannot be estimated from the information given.
• C) impossible because cool stars cannot exist above the main sequence when hot stars are on the main sequence.
• D) old because the G and K stars are already evolving off (away from) the main sequence.

Identify the core competencies required for effective community health nursing.

Understand the importance of knowledge in family theory, group dynamics, cultural diversity, and communication in community nursing.

Recognize the importance of prioritizing care goals based on community health data and national health initiatives.

Assess the vulnerability of individuals within a community based on multifaceted factors.

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Definitions:

Truck

A large, heavy motor vehicle used for transporting goods, materials, or large numbers of people.

Opportunity Cost

The cost of the next best alternative foregone when making a decision.

Soybeans

Soybeans are a type of legume native to East Asia, widely grown for their edible bean which has numerous uses, including oil, meal, and as a vegetable.

Alfalfa

A perennial flowering plant often used in agriculture as fodder for livestock due to its high nutritional content and nitrogen-fixing properties.