Which Best Describes the Surface of Callisto

question 20

Multiple Choice

Which best describes the surface of Callisto?

• A) dark and dirty ice, heavily pocked with craters
• B) old and dark on some portion, but cratered with a young bright grooved terrain
• C) icy crust free of craters with a liquid water ocean beneath
• D) covered in active sulfur-based volcanoes
• E) mostly water ice mixed with methane

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Definitions:

Central

Located in the center or of main importance.

802.11ac

A wireless networking standard in the 802.11 family that provides high-throughput wireless local area networks (WLANs) on the 5 GHz band.

802.11n

A wireless networking standard that improves upon previous 802.11 standards by increasing speed, range, and reliability of wireless networks.

802.3ac

A standard amendment to IEEE 802.3 that specifies frame extensions for VLAN tagging in Ethernet networks.