Answer:
Solar radiation may be converted directly into electricity by solar cells (photovoltaic cells). In such cells, a small electric voltage is generated when light strikes the junction between a metal and a semiconductor (such as silicon) or the junction between two different semiconductors.
Explanation:
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Answer: Photoreceptor cell, Chemoreceptor, Thermoreceptor, Mechanoreceptor
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Explanation:
Wavelength = (speed) / (frequency) = (460 m/s) / (230/sec) = <em>2 meters</em>
A pH scale goes from 0 - 14.
7 is in the middle so it is neutral
Answer:
2.55sec
Explanation:
time = distance/speed = (87 m)/(34 m/s) = 2.55sec