Persistent
Non-persistent pesticides are compounds that break down quickly in the environment. Several different classes of pesticides make up this group: • Cholinesterase-inhibiting pesticides, which includes the organophosphates and carbamates • Chlorinated phenols • Herbicides • Pyrethroids • Fungicides • Repellents Non-persistent pesticides became widely used after persistent organochlorine pesticides were banned from manufacture and use in the United States in the 1970s. Non-persistent pesticides are less harmful to the environment because they do not build up but they have to be applied more often to households and crops to be effective.
Persistent
Persistent means to stay at it or something that continues.Examples:"I couldn't sleep because of my son's persistent cough.""Even with all the new locks on the doors, the burglars have been persistent."Resilient means being able to bounce back or to recover quickly.Example:"My friend suffered quite a setback last week, but you'd never know it because she is so resilient."
Newton's achievements were the result of persistent thinking on subjects to the point of gaining scientific insight. Breakthroughs seldom occur, before persistent working on the problem.
subject
"to be persistent" is the subject.
"to be persistent" is the subject.
The infinitive phrase "to be persistent" serves as the subject complement in the sentence, renaming or describing the subject "sign." It provides more information about the subject and completes the meaning of the sentence by expressing a quality or characteristic.
So far, my friend showed no sign of interest whatsoever, but I was persistent.
The Stubbornness of Geraldine was created in 1915.
Stubbornness is a good trait to have when tackling a difficult task.
Persistent over-concern with body shape and weight.
Her stubbornness caused her to refuse any help, even when it was clear she needed it.
The Stubbornness of Geraldine - 1915 was released on: USA: August 1915
stubbornness and or pride
Arrogance and stubbornness