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The pH of a liquid was found to be 7. Wh...

The pH of a liquid was found to be 7. Which liquid is it likely to be?

A

MARSIS

B

Mars Orbiter

C

Mars Hope

D

MARINER 4

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Verified by Experts

The correct Answer is:
A
Explanation: The MARSIS (Mars Advanced Radar for Subsurface and Ionosphere Sounding) instrument is a low-frequency, nadir-looking, pulse-limited radar sounder that uses synthetic aperture techniques and a secondary receiving antenna to isolate subsurface reflections.
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