Which option identifies the type of mining technique represented in the following scenario? In West Virginia, many companies specialize in mountaintop-removal mining, where miners bulldoze the tops of mountains in order to extract coal from the rock.

A. sub-surface mining
B. surface mining
C. fracking
D. drilling

answer; hypnagogic sensations)

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.

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.

to this one it would be receptive field