The Average Number of Calories and Amount of Sugar and Fat

question 87

Multiple Choice

The average number of calories and amount of sugar and fat consumed by Americans __________.

• A) sharply increased after 1970
• B) is lower today than it was in 1980
• C) has slowly decreased since the turn of the twenty-first century
• D) fell steadily in the late twentieth and early twenty-first centuries

Debug and troubleshoot macros to ensure they function correctly.

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Manipulate macro design view, including adding, moving, and configuring actions.

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Definitions:

Diastereomers

Stereoisomers characterized by having distinct physical properties and not being mirror reflections of one another.

(2R,4R)-2,4-dibromopentane

A chiral compound with a specific configuration, indicating the presence of bromine atoms on the second and fourth carbon of a five-carbon chain.

Fischer Projection

A method of drawing organic molecules by projecting a three-dimensional molecule onto a two-dimensional plane.

Diastereomers

Stereoisomers that are not mirror images of each other, having two or more stereocenters and differing in the configuration at one or more of these centers.