Entropy decreases when select one:

a. pressure decreases.

b. temperature decreases.

c. the system is agitated.

d. temperature increases.

It is B. What I found is when water freezes it's entropy decrease. If water freezing that means the temperature is decreasing and that is B.

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.