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Phytoplankton are only found at the surface of ocean waters because . a. they feed on tiny organisms living at the surface. . b. they are an important food source to surface-dwelling marine organisms. . c. they require sunlight to carry out photosynthesis. . d. they cannot withstand the colder temperatures of deep water.
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Which of the following is true of photosynthesis? a)carbon dioxide is a reactant b)water is a product c)most reactions within this process are exothermic d)oxygen is a reactant
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If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible
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Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute
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Phytoplankton are only found at the surface of ocean waters because . a. they feed on tiny organisms...
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