Whether or Not a Planet Is Composed Mostly of Rock

question 73

Multiple Choice

Whether or not a planet is composed mostly of rock or gas is set by:

• A) its mass
• B) its temperature
• C) its distance from the star when it formed
• D) a combination of all three of the above

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Definitions:

Digital Formats

The encoding of data, images, sound, and video in a binary format for use and storage on digital devices.

JPEG

A commonly used method of lossy compression for digital images, particularly for those images produced by digital photography.

MPEG

A set of standards for encoding audio and video that stands for Moving Picture Experts Group, widely used for digital television and streaming media.

Digital Music File Format

File formats used to store digital audio data, such as MP3, WAV, or AAC, allowing music to be played back on various devices.