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Subject:

the splitting of water molecules into oxygen atoms and energy-rich hydrogen atoms to be used in...

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the effect of the relative lengths of daylight and darkness on the physiology and behaviour of...

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biochemical process that traps radiant or light energy from the Sun and converts it into glucose...

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the movement of an organism in response to a one-directional source of light when the stimulus...

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the directional growth of a plant in response to light.

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