Which of the Following Is an Advantage of Sending a File

question 119

Multiple Choice

Which of the following is an advantage of sending a file in a PDF format?

• A)It is less expensive than all other digital methods
• B)PDF files are more immune to viruses than some other options
• C)A PDF guarantees message privacy
• D)It is less secure and therefore easier for recipients to open
• E)PDFs are the only way to send graphics over digital networks

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Definitions:

Pesticide Treadmill

A situation where farmers must continuously use more and different chemicals to control pests that have developed resistance to pesticides.

Net Primary Productivity

The rate at which all the plants in an ecosystem produce net useful chemical energy; essentially, it is the amount of energy that is available to the primary consumers in an ecosystem.

Photosynthesis

The process by which green plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy in the form of glucose, using water and carbon dioxide and releasing oxygen as a byproduct.

Biomass

A quantitative estimate of the total mass, or amount, of living material in a particular ecosystem.