Respuesta :

the use of fertilizers in plants......
foods that are or aren't genetically modified.....
the smoke from engines in factories or from cars and trucks.....
the growth of a baby to and elder......
the rights and wrong of the brain......
the active vs dead diseases....
phew that's all i can think of rn kk???
hopefully i helped you alot because my brain is hurting rn lol....choice is yours!!!
why the sky's blue?
whats better pen or pencil?
whats math?