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Which of the following symptoms is likel...

Which of the following symptoms is likely to afflict an astronaut in space (a) swollen feet, (b) swollen face, (c) headache, (d) orientational problem.

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(a) No, in zero gravity the person is in weightlessness state. Therefore, swollen feet will not affect his working.
(b) As eyes, ears and nose are all embedded in the face, swollen face will affect the hearing , seeing and smelling capabilities is astronaut in space.
(c ) Headache will affect an astronaut in space in the same manner as a person on earth.
(d) As we also have a frame or reference in space orientation problem will affect the working of an astronaut in space.
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