Answer:
There are four main categories of anesthesia used during surgery and other procedures: general anesthesia, regional anesthesia, sedation (sometimes called "monitored anesthesia care"), and local anesthesia.
The function of the digestive system<span> is </span>digestion<span> and absorption.</span>Digestion<span> is the breakdown of food into small molecules, which are then absorbed into the body. The </span>digestive system<span> is divided into two major parts: The </span>digestive tract<span> (alimentary canal) is a continuous tube with two openings: the mouth and the anus.</span>
Acetylene (C2H2) has a triple bond between the two carbons. So 3 pairs of electrons. Biomed is talking about ethylene (C2H4).
B: things made of a single atom