GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True or FalseScientists make observations using only their noses
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Observation is essential in science. Scientists use observation to collect and record data, which enables them to develop and then test hypotheses and theories. Scientists observe in many ways – with their own senses or with tools like magnifying glasses, thermometers, satellites or stethoscopes.
Detailed explanation-2: -Of course, we can make observations directly by seeing, feeling, hearing, and smelling, but we can also extend and refine our basic senses with tools: thermometers, microscopes, telescopes, radar, radiation sensors, X-ray crystallography, fMRI machines, mass spectroscopy, etc.
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