POLLUTION
The addition of any substance that has a negative effect on water or the living things that depend on water is called water pollution. This can include chemicals, toxins, pathogens, and other harmful substances that degrade water quality and harm aquatic ecosystems and the organisms that rely on them.
im not shure but i think its water pollution
A bioactivity is an effect of a substance upon a living organism, especially a bacterium.
I dont know anything lol! dont look on wikianswers. ITS DUMB! well im actually in college and i waz lookin up this definition and i culdent find it. so if u have this quesion. DONT ASK ME!! hahahahhaha!
yes
as long as it is inside a living organism then yes
The spread of diseases is one effect of crowded tenement living.
The substance that contains hereditary material in living organisms is called DNA (deoxyribonucleic acid).
Coal is a non-living substance.
no an apple tree is.
Poison
it doesnt