Chemical detection alarms, chemical detection paper.
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It's a useful instrument for detecting weather. It measures air pressure.
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A PET scan would be most useful for detecting brain areas that are most active as a person performs mathematical calculations.
Clouds are formed from water vapour - which is virtually invisible to radar.
i say that native instruments are still useful for all filippinos
no talent in pakistan to answer such an easy question
brain lesion
Infrasounds have longer wavelengths that can travel greater distances and penetrate obstacles, allowing them to detect volcanic eruptions from further away and through the ground. Additionally, infrasounds can detect eruptions even when visibility is poor or when the eruption is not visually observable.
The Doppler effect is useful for and used for detecting objects velocity. The Doppler radar tells whether the object is heading toward or away from you or perpendicular to you.
Doppler radar, which even now is the most valuable tool in detecting and predicting tornadoes.
Aldosterone measurement is useful in detecting a condition called aldosteronism, which is caused by excess secretion of the hormone from the adrenal glands. There are two types of aldosteronism: primary and secondary.