Salt
cars
There is no one specific term for a negative influence, however there are many synonyms for the word negative that can be used to correlate a negative influence. This is one example: eating fatty foods has a detrimental (negative influence) effect on heart health.
Negative ground.
He was a positive influence.
Yes.
A positive influence of marketing on society is boosting the economy. A negative influence is consumer confusion when the market is too vast.
Yes.
Negative ground
negative
Products with negative demand are things that you would have to pay someone to take such as trash, damaged tires, junk automobiles, etc.
he had a positive influence because he was great