The corona is the part of the sun that we see from Earth
O releases mostly harmful UV and X-ray radiation
creates the sun's energy from nuclear reactions
is mostly made of helium atoms

creates the sun's energy from nuclear reactions

sorry if wrong.

It is the part of the sun that we see from Earth.

Explanation:

your spelling is a little off : ]

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.