Air is mainly composed of nitrogen, oxygen, and argon, which together constitute the major gases of the atmosphere. Water vapor accounts for roughly 0.25% of the atmosphere by mass.
Physical property, such as real estate, does not qualify due to the unpredictable length of the sales process. As retirement accounts, 401(k)s and IRAs operate both as liquid assets and non-liquid assets depending on the circumstance.
Fixed assets â What are fixed assets? Definition: Fixed assets are economic resources which cannot be easily liquidated (converted into cash). The term fixed assets refers to assets that cannot be converted into cash easily - most notably a company's property, plant and equipment. These assets are usually listed on a company's balance sheet below current assets. Fixed assets also include any assets a company has that are not sold directly to their customers - e.g. motor vehicles, furniture, office equipment, computers, etc.