Answer:
Carbon dioxide is one of the reactants in photosynthesis and is a product of cellular respiration.
Those sediments can be formed from the weathering and erosion of preexisting rocks. Sedimentary rocks also include chemical precipitates, the solid materials left behind after a liquid evaporates. Metamorphic rocks form when the minerals in an existing rock are changed by heat or pressure below the surface.
The Phytoplankton <span>support nutrients in water and from the base of many aquatic ecosystems.</span>
Your answer would be the second one B