How can upwelling affect the nutrient and oxygen content of ocean water around coastlines?
a. it brings warm, nutrient-rich water to the ocean floor.
b. it brings warm, oxygen-rich water to the ocean surface.
c. it brings cold, nutrient-rich water to the ocean surface.
d. it brings cold, oxygen rich-water to the ocean floor.
*(this is marine science)

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answer: the correct option is d. enzyme

lactase and carbonic anhydrase are the examples of enzymes.

lactase is an enzyme, which is present in the small intestine of mammals. it in the digestion of the disaccharide, lactose ( milk sugar) by converting it into two monosachharide, which are glucose and galactose.

carbonic anhydrase is present in the red blood cells. this enzyme plays significant role in the transport of co₂. it in the conversion of co₂ and h₂o into carbonic acid, which is then dissociated into bicarbonate ions and hydrogen ions.