If You Accidentally Click a Theme in the Theme Gallery

question 28

Multiple Choice

If you accidentally click a theme in the Theme gallery, click the ____ button on the Quick Access toolbar.

• A) Redo
• B) Restore
• C) Undo
• D) No theme

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Definitions:

Hydrogen

The simplest and lightest element, with one proton and one electron, often used in fuel cells and as a potential clean energy source.

Fuel Efficiency

The measure of how far a vehicle can travel on a certain amount of fuel.

Geothermal Energy

Energy derived from the natural heat of the earth, harnessed for heating, electricity production, and other uses.

Hydrogen Sulphide Gas

A toxic, flammable gas with the foul odor of rotten eggs, produced during the decay of organic matter in the absence of oxygen.