Pluto's Density Is 1

question 85

Multiple Choice

Pluto's density is 1.8 g/cm³. Iron is about 5 g/cm³. Rock is about is 3 g/cm³. Ice or water is 1.0 g/cm³. This implies that

• A) Pluto has a large iron-nickel core.
• B) Pluto is about 50% water and 50% rocky material.
• C) Pluto is all rock.
• D) Pluto is all water or water ice.

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Definitions:

Birth Control Movement

A social and political movement advocating for and promoting the use of birth control methods and educating the public about sexual health.

Kinsey Report

A series of studies on human sexual behavior published by Alfred Kinsey and his team, which challenged many conventional beliefs about sexuality in the mid-20th century.

Premarital

Relating to the period or status before marriage.

Orgasmic

Relating to or characteristic of the climax of sexual excitement.