Samuel loves playing the violin, but he feels embarrassed after a classmate posts a video on a
social networking site making fun of him.
What step should Samuel take next to stop the
cyberbullying?
O He should report the incident to the social
networking site.
O He should upload his own video making fun of the
classmate.
O He should convince his friends to cyberbully the
classmate.
O He should add the classmate on his friend's list
and follow him

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation:

not sure if this is what you'r looking for nnew= nold

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.

lichens that colonize bare rock secrete acids that break down the rock and start the soil-production process. so they expose rocks