C. Incinerator because the smoke from it pollutes the air
pH is a scale or measure by which an aqueous solution could be determined of its acidity or basicity.
According to sources, the most probable answer to this query is that pH changes when for instance, an acid solution is introduced to a base solution.
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Answer:
diffusion is process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration.
Explanation:
A familiar example is the perfume of a flower that quickly permeates the still air of a room. ion diffusion across a semipermeable membrane.
Answer: A
Explanation:
Because its the main difference between the 2
The hollow impression of a trilobite is an original remains fossil.