Answer:
Explanation:
LPG gas is basically propane and butane, and it is odourless in its natural state. The smell that you notice when there is a leak is actually the stench of an entirely different agent, called Ethyl Mercaptan (C2H6S). This substance is added to the gas when it leaves the main storage terminals.
I believe the answer would be D, plant. Plant cell walls appear as tiny little boxes that are given their shape by two chemicals: cellulose and lignin. Cellulose is the basic structural component of plant cell walls and is also found in vegetable matter, cotton and wood. High amounts of cellulose are consumed by herbivores, usually with the assistance of bacteria.
Organism are referred to as Pluripotent cells
the human body is always at work and using all organs the bodys largest organ is the skin
