The Curiosity Rover Now on Mars Analyzed Rocks and Found

question 101

Multiple Choice

The Curiosity rover now on Mars analyzed rocks and found magnesium to have the following isotopic composition. What is the average atomic mass of magnesium in these rocks? $$\begin{array} { | c | c | } \hline \text { Mass (u) } & \text { \% Abundance } \\\hline 23.9872 & 79.70 \\\hline 24.9886 & 10.13 \\\hline 25.9846 & 10.17 \\\hline\end{array}$$

• A) 24.31 u
• B) 24.29 u
• C) 24.33 u
• D) 24.99 u
• E) 33.33 u

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Definitions:

Patriarchal System

A societal organization where men primarily exercise control, excelling in political leadership positions, holding moral authority, enjoying social privileges, and managing property.

Frigid

in a non-sexual context, means very cold in temperature; in a psychological context, it may describe a person having a lack of sexual responsiveness or desire.

Madam

A woman who manages or owns a brothel; often used as a polite form of address for a woman.

Pimp

A person who controls and profits from the commercial exploitation of others, typically in the context of prostitution.