Aluminium is obtained industrially by the electrolysis of aluminium oxide heated to high temperatures. the positive electrodes used in electrolysis of aluminium oxide are made of carbon

these electrodes slowly disappear over time as they are converted to a gas

suggest the identity of this gas

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.

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )

elements make up everything, and they combine to make compounds.

the answer is c

d

explanation: