What Proportion of the Total Amount of Carbon Dioxide Emitted

question 8

Multiple Choice

What proportion of the total amount of carbon dioxide emitted into the atmosphere each year stays in the atmosphere?

• A)approximately 25%
• B)approximately 50%
• C)approximately 75%
• D)approximately 100%

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Definitions:

NFC

Near Field Communication, a set of communication protocols that enable two electronic devices, one of which is usually a portable device such as a smartphone, to establish communication by bringing them within 4 cm of each other.

VPN

A Virtual Private Network is a technology that establishes a secure and encrypted connection across a less secure network, like the internet.

Open Source

Software with source code that can be inspected, modified, and enhanced by anyone, promoting collaborative software development.