Diffusion is the movement of particles against the concentration gradient 1)correct

2)incorrect

Incorrect

Explanation:

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incorrect

Explanation:

diffusion is the movement of particles with the concentration gradient

for example: over time, food coloring and water mix and become one same color.

bc blah

explanation:

bc blah

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.