I think it is c because abrasive can be to scrape and abound can be to exist in great quantities or numbers.
A character that imagines new possibilities is your answer :)
<span>The answer would be: el teclado esta al lado del raton, which can be translated into the keyboard is beside the mouse because in most computers, the mouse and the keyboard are side to side to facilitate things for users</span>
The answer B.Since,Diffusion is driven by differences in concentration. When chemical substances such as perfume are let loose in a room, their particles mix with the particles of air. ... Diffusion in gases is quick because the particles in a gas move quickly. It happens even faster in hot gases because the particles of gas move faster.
