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What has sulfur been used in the past?
what has sulfur been used in the past?what has sulfur been used in the past?
What are two forms of fixed nitrogen?
Two forms of fixed nitrogen are ammonia (NH3) and nitrate (NO3-). Fixed nitrogen refers to nitrogen that has been converted from its inert atmospheric form (N2) into compounds that can be used by plants and other organisms.
How have rainforests been used in the past?
Rainforests have been used in the past for logging, agriculture, and mining, leading to deforestation and habitat destruction. Indigenous communities have also traditionally relied on rainforests for food, medicine, and shelter.
What is called bone dry nitrogen gas?
Bone dry nitrogen gas refers to nitrogen gas that has been treated to remove all traces of water vapor, making it extremely dry and free of moisture. This type of nitrogen gas is commonly used in applications where moisture can be detrimental, such as in laboratories and sensitive industrial processes.
What is the symbol for nitrogen oxides?
Generally used: NOx
What has been used in the past?
what has sulfur been used in the past?what has sulfur been used in the past?
Has the energy source been used in the past?
Yes it has been successful in the past
What has sulfur been used in the past?
what has sulfur been used in the past?what has sulfur been used in the past?
What is Have been and had been?
Have been is present tense and had been is past tense.
What is a past participle of been?
Have been or Has been IS the past participle......it is equivalent to "was".
Has biomass energy source been successfully used in the past?
Yes it has been successful in the past
What is the different between the have and have been?
Have is used for present and Have been is used for past continous.
What is the past participle of use?
Used (e.g "It had been used for...", "John was used", etc.)
What does 'been' mean?
It is the past participle of "be," to exist.
Is been a verb?
"Been" is the past participle of the verb "be," used to indicate a state or condition that was present in the past.
You always get confused with the grammatical meaning or use of would have been is would have been in the past tense or future tense?
"Would have been" is used to talk about hypothetical situations or events that did not happen in the past. It is used to describe unrealized possibilities or regrets about the past. It is not used to refer to events in the future.
Have been and had been?
"Have been" is used in present perfect tense to indicate an action that began in the past and continues to the present. "Had been" is used in past perfect tense to indicate an action that was completed before another past action or time.
