Power - Scientific Definition. Power is the rate (energy amount per time period) at which work is done or energy converted. The scientific unit of power is the watt (W), which is equal to one joule (energy amount) per second (time period).
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Power - Scientific Definition - UQ Solar Photovoltaic Data - The ...
It is answer A, the hippo is not benefitting from the catfish, therefore it is not mutualism.
Answer: A red pigment is capable of absorbing cyan light. That is, red paper can absorb both green and blue primary colors of light (recall that cyan light is a mixture of green and blue light). So red and green light shine on the paper; and green light is subtracted.
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