What Is the Most Significant Drawback of Possibly Sending Humans

question 19

Multiple Choice

What is the most significant drawback of possibly sending humans to Mars?

• A) the fact that there would be no possible source of water on the surface
• B) the high probability of contamination of the Martian surface by microbes associated with human beings
• C) the high probability of Martian microbes contamination of contaminating the crew
• D) the fact that astronauts could not breathe in the Martian atmosphere

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Definitions:

Sliding Fit

Sliding fit refers to a specific type of fit between two machine parts where one part can move freely within the other, allowing for lubricated relative motion or quick assembly/disassembly.

Basic Diameter

The nominal diameter of a thread, used as a basis for calculating various dimensions of the thread.

Maximum Hole Size

The largest allowable diameter of a hole, taking into account tolerances specified for manufacturing or engineering purposes.

Grade 14

Could refer to a specific level or quality classification in a grading system, but needs additional context to define precisely in a specific field.