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The Mars Rovers found undisputed microfossils, proving life once existed on Mars.
Individual Level
Refers to analysis or effects observed at the level of individual agents, such as persons or firms, within a larger system.
Abilities of Resources
The skills, knowledge, and competencies that economic resources like labor, capital, and land possess.
Barter
The trade of goods or services among individuals without employing money as a means of transaction.
Desk
A piece of furniture with a flat top and legs, used for writing, working or using a computer.
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