Many scientists hypothesize that the earliest life on Earth formed in and along the edges of hydrothermal vents deep in the ocean. Scientists have found billion-year-old fossilized archaebacteria in types of vents called black .

idk im sorry.

it is called the mitotic spindle

c is the answer. hope this

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.