We Are Currently ________ Years Overdue for a Glaciation

question 17

Multiple Choice

We are currently ________ years overdue for a glaciation.However,we are currently experiencing global warming because of the addition of greenhouse gases by the ________.

• A)2,000;eruptions of volcanoes
• B)2,000;burning of fossil fuels
• C)10;000;increase in solar radiation
• D)10;000;decrease in albedo of Earth

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Definitions:

α-D-Fructofuranose

An isomer of fructose where the furanose ring form predominates, characterized by its specific configuration at the anomeric carbon.

Methyl Glycoside

Glycosides formed by the reaction of a sugar with methanol, characterized by a methoxy group replacing the glycosidic hydroxyl group of the sugar.

Mutarotation

The change in optical rotation due to the change in equilibrium between two anomers of a sugar solution over time.

Methyl-β-D-Talopyranoside

A chemical compound that is a methyl glycoside derived from the β-anomer of D-talopyranose.