A Future News Release Might Report That a New Planet

question 11

Multiple Choice

A future news release might report that a new planet has been found around a star very similar to our Sun.This newly discovered planet is claimed to have a mass 40 times that of the Earth and is located nearly 25 AU from the star it orbits.Which of the following would be a reasonable prediction about this planet?

• A)The planet will probably have about the same radius as the Earth
• B)The planet will probably have a mean density of around 5 g/cm³.
• C)The planet will probably have a composition that is mostly hydrogen and helium.
• D)The planet will probably have liquid water oceans.

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Definitions:

Morphemes

The smallest units of meaning in a language.

Mental Abilities

Cognitive capacities or skills that enable individuals to learn, remember, solve problems, and process information.

Babbling

Repetitive vocalizations made by infants, comprising sounds and syllables, marking the beginning of speech development.

Schemes

In cognitive development, organized patterns of behavior or thought that children use to interact with and understand their environment.