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# Solutions for Chapter 8: Mars

## Full solutions for Life in the Universe (Bennett Science & Math Titles) | 3rd Edition

ISBN: 9780321687678

Solutions for Chapter 8: Mars

Solutions for Chapter 8
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##### ISBN: 9780321687678

Chapter 8: Mars includes 61 full step-by-step solutions. Since 61 problems in chapter 8: Mars have been answered, more than 4425 students have viewed full step-by-step solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. Life in the Universe (Bennett Science & Math Titles) was written by and is associated to the ISBN: 9780321687678. This textbook survival guide was created for the textbook: Life in the Universe (Bennett Science & Math Titles), edition: 3.

Key Science Terms and definitions covered in this textbook
• Cross-cutting

A principle of relative dating. A rock or fault is younger than any rock (or fault) through which it cuts.

• Divide

An imaginary line that separates the drainage of two streams; often found along a ridge.

• Echo sounder

An instrument used to determine the depth of water by measuring the time interval between emission of a sound signal and the return of its echo from the bottom.

• Environmental lapse rate

The rate of temperature decrease with increasing height in the troposphere.

• Epoch

A unit of the geologic calendar that is a subdivision of a period.

• Glaze

A coating of ice on objects formed when supercooled rain freezes on contact.

• Hogback

A narrow, sharp-crested ridge formed by the upturned edge of a steeply dipping bed of resistant rock.

• Hot spot

A concentration of heat in the mantle capable of producing magma, which in turn extrudes onto Earth’s surface. The intraplate volcanism that produced the Hawaiian Islands is one example.

• Mantle plume

A mass of hotter-than-normal mantle material that ascends toward the surface, where it may lead to igneous activity. These plumes of solid yet mobile material may originate as deep as the core–mantle boundary.

• Mass number

The number of neutrons and protons in the nucleus of an atom.

• Meteorology

The scientific study of the atmosphere and atmospheric phenomena; the study of weather and climate.

• Nebular theory

The basic idea that the Sun and planets formed from the same cloud of gas and dust in interstellar space.

• Occultation

An eclipse of a star or planet by the Moon or a planet.

• Oceanic ridge system

A continuous elevated zone on the floor of all the major ocean basins and varying in width from 500 to 5,000 kilometers (300–3,000 miles). The rifts at the crests of ridges represent divergent plate boundaries.

A theory that is held with a very high degree of confidence and is comprehensive in scope.

• Rain

Drops of water that fall from clouds that have a diameter of at least 0.5 millimeter (0.02 inch).

• Secondary enrichment

The concentration of minor amounts of metals that are scattered through unweathered rock into economically valuable concentrations by weathering processes.

• Summer solstice

The solstice that occurs on June 21–22 in the Northern Hemisphere and on December 21–22 in the Southern Hemisphere.

• Supernova

An exploding star that increases in brightness many thousands of times.

• Turbulent flow

The movement of water in an erratic fashion, often characterized by swirling, whirlpool-like eddies. Most streamflow is of this type.

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