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.
Answer:
c
d
a
b
these are the correct answers
<span>Makhaya fled South Africa because he was involved in a bomb plot so now,he is a refugee. He suffered the Apartheid system back at home where black people were not free and their rights were not respected or guarantee.Due to what he suffered, he is not able to trust anyone. But this condition changes because he means well to other people in Golema Mmidi so he starts to be social and help them. He met Dinorego and Gilbert who helped him to adapt, stay and work there in the village. <span>
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