Andrew has 20 rocks in his rock collection. He decides that he will select 2 rocks to add to his collection each time he goes to a river. He writes an equation that represents how many rocks, r, he will have after n number of trips to a river. Which statements are representative of the equation Andrew writes? Select all that apply.

a chemical reaction happens

explanation:

answer: the rate of diffusion increases with increase in temperature.

increase in temperature, increases the molecular/particles speed (kinetic energy. diffusion means movement of particles through the material.

generally, the heavier the particle the more it interacts with the environment and more the temperature matters. so higher temperature results in higher diffusion.

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