Correct answer - C Pinches in.
Why? - Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells. The contractile ring shrinks at the equator of the cell, PINCHING the plasma membrane or cell membrane inward
B, when applying a tail Jack you need to be careful to make sure it hold steady because it could pop right off
The answer is Corpus callosum. The largest structure of the human brain, consisting of the two cerebral hemispheres connected by the corpus callosum and covered by the cerebral cortex. Corpus callosum is a long, thick band of nerve fibers that connects the left and right hemispheres of the brain and allows communication between them. Development of the CC makes communication between the hemispheres more efficient.
I would say it may generate harmful emissions