The main cause of Global Warming is:

The Greenhouse Effect is caused primarily by:

Which most accurately describes the effects of Global Warming in the United States over the last 100 years?

The blue whale is the largest reptile

The toad is a form of the following:

How much Carbon dioxide (CO2) is in Earth's atmosphere today?

elephants have a very poor memory

The horn of a rhino is made up of hair

Any component of the computer you can see and touch:

Devices that enter information and let's you communicate with the computer:

An electronic device, operating under the control of information, that can accept data, process the data, produce output and store the results for future use:

Data or information used to run the computer:

Located in the tower, it communicates with other devices to perform tasks. It's the "heart" of the computer.

Any hardware attached to the tower:

Devices that lets the computer communicate with you:

Devices that store information, and the computer uses the information to perform tasks:

Alt+A+V+V is for DAta validation?

Alt+H+M+A is shortcut for Merge & center

Alt+F7 is for Macro?