One positive effect of the Crusades was that the need to supply its forces with arms increased trade and travel which helped to usher in the Renaissance Era.
A positive effect is one that is favorable; a negative effect is one that is unfavorable.
one positive effect of mining is you get some needed & not needed resources
"repulsion"
*affect
A positive peer is supportive, encouraging, and provides helpful feedback. They also respect boundaries, show empathy, and promote a sense of belonging and inclusivity.
One positive effect of automation is that products, like cars, can be produced faster with automation. One negative effect of automation is that the human worker is no longer necessary.
It does not produce carbon dioxide
the introduction of horses to the Native Americans.
He has caused both. One major negative effect was the "Panic of 1837" the positive effect was that he helped set up the political machine.
This is one of the fundamental laws of charges. Like charges repel, and opposite charges, your positive and negative ones, attract each other.
`the positive effect is that we can stay there for emergency and the negative is that it might not be hygienic
FIRST THING THERE IS NO NEGATIVE effect on the environment. AND