Answer:
here is your Answer.
Explanation:
Photosynthesis requires sunlight, carbon dioxide, and water as starting reactants .
Dissolved O2 conc. in flask with algae will be higher since photosynthesis produces O2.
Answer is D.
Waste products from metabolism are carried by the circulation to the kidneys, which filter them out if the blood to be excreted in urine.
Answer
Chemical elements and water are constantly recycled in the ecosystem through biogeochemical cycles. During the water cycle, water enters the atmosphere by evaporation and transpiration, and water returns to land by precipitation.
Explanation:
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