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.
Definition and Explanation. Fixed assets, also known as Property, Plant and Equipment, are tangible assets held by an entity for the production or supply of goods and services, for rentals to others, or for administrative purposes. These assets are expected to be used for more than one accounting period. Fixed assets are generally not considered to be a liquid form of assets unlike current assets. Examples of common types of fixed assets include buildings, land, furniture and fixtures, machines and vehicles.