Pluto's Density Is 1

question 74

Multiple Choice

Pluto's density is 1.8 g/cm³.Iron has a density of about 5 g/cm³.Rock (e.g.basalt) has a density of about 3 g/cm³.Ice and water have densities of 1.0 g/cm³.Which of the following can be deduced from those densities?

• A)Pluto has a large iron-nickel core.
• B)Pluto is about one-third water and two-thirds rocky material.
• C)Pluto is solid rock all the way through.
• D)Pluto is composed entirely of water or water ice.

Learn the significance of establishing rapport with the interviewee.

Identify the types of questions used during an interview and their applications.

Know the ethical and legal considerations of conducting interviews.

Understand how to effectively use open-ended, closed-ended, and leading questions.

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Definitions:

Social Scientist

A researcher or expert in the study of human society and social relationships, often focusing on cultural, economic, or political aspects.

Explanation

States and justifies reasoning in terms of the evidential, conceptual, methodological, criteriological, and contextual considerations upon which one’s results were based; also presents one’s reasoning in the form of cogent arguments.

Inference

The act of reaching a conclusion based on evidence and reasoning rather than explicit statements.

Cultivate

To develop or improve by education or training; to foster growth or development.