London , England is about the same distance north of the equator as Calgary , Alberta, in Canada but London’s winter temperatures are similar to those of Washington DC and Calgary is so cold and snowy they’ve hosted the Winter Olympics which global patterns causes this climate phenomenon

google my dude. if it doesn't show up ask me.

whats the drop down answers ?

explanation:

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.