Ctricity Explain why biomass energy use can be considered a carbon-neutral process.

Explain why the traditional ecological knowledge of First Peoples may be helpful in making sustainable development a reality.

Explain why the number of energy changes associated with a hydrogen fuel cell allows the cell to be very energy efficient.

geologic time scale (for gradpoint) =)

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.

answerlength of time the medication is in contact with the skin(moistur level of the skin) depth of respirations blood supply to the area; all of the above; ///