In a Data Flow Diagram, a Square Represents a Source

question 69

True/False

In a data flow diagram, a square represents a source or destination of data outside the system.

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Definitions:

Miller And Urey

Scientists known for their experiment demonstrating that organic compounds essential for life could be formed from inorganic components under conditions thought to mimic those of early Earth.

Organic Compounds

Chemical compounds made up of carbon atoms bonded to other elements, integral to living organisms.

Oxygen

A chemical element essential for most forms of life on Earth, vital for cellular respiration and a component of water.