Uranus and Neptune Contain Smaller Percentages of Hydrogen and Helium

question 34

Multiple Choice

Uranus and Neptune contain smaller percentages of hydrogen and helium than Jupiter and Saturn probably because Uranus and Neptune ________ than Jupiter and Saturn.

• A) are much smaller in radius
• B) are much warmer
• C) are much colder
• D) formed later
• E) formed earlier

---

Definitions:

Variables

Elements or characteristics within a study that can vary and have different values among subjects.

Correlation Coefficient

A statistical measure that calculates the strength and direction of the relationship between two variables.

Linear Regression

A statistical method for modeling the relationship between a dependent variable and one or more independent variables by fitting a linear equation.

Independent Variable

A variable that is manipulated or changed in an experiment to test its effects on dependent variables.