In the water for several hours now what does this mean for the number of energy storage molecules in the algae

Increases.

Explanation:

The number of energy storage molecules in the algae increases if it is kept in sunlight and water for several hours because the algae prepare their own food through the process of photosynthesis. The algae used water and carbondioxide from the surrounding environment in the presence of sunlight produces glucose and oxygen. This glucose is used to produce energy storage molecules is called ATP molecules that is used for performing different activities.

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c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.