well, I think it is oxygen itself.....i have heard my teachers say "it needs a lot of oxygen to work".i haven't heard anybody say 'oxygens'or any other ways
The noun oxygen is a singular, uncountable noun, a word with no plural form.
The plural is whiffs.
There is no such plural
Thermoses is the plural of thermos.
The plural of acidity is acidities.
The noun oxygen is an uncountable noun, a word for a substance, an element. Oxygen has no plural form.
The noun oxygen is a singular, uncountable noun, a word with no plural form.
Yes, the word "air" is a noun or a verb.The noun air is a word for the atmosphere, or the "air" or feel of a location.The verb "to air" means to present or show, or to place in the air for cooling, freshening, or cleaning.
Unless you are shortening gasoline, then no. Gasoline: "I put a lot of gas in my tank." Other: "Oxygen and helium are gases."
mitochondrion - singular mitochondria - plural
The noun 'shoe' is a countable noun, the plural form is shoes.A countable noun is a noun that has both a singular and a plural form.An uncountable noun is a singular noun that has no plural form (such as education or oxygen) or a plural noun that has no singular form (such as news or clothes).
The alveolus or alveoli (plural).
The "stoma" is found in the outer layer of the leaf(epidemis), it allows the passage of oxygen to the environment. The plural of "stoma" is "stomata".
It is a molecule (not plural). 1 carbon, 2 oxygen (=oxide).
'Gas' can be both singular and plural depending on context. When referring to a substance like oxygen or carbon dioxide, it is often used as a mass noun and is considered singular. When referring to multiple types of gases or quantities of gas, it is treated as a plural noun.
Alveoli (plural) and alveolus (singular)
mitochondrion - singular mitochondria - plural