Answer:
jchb3prhoucheoucheoucheouchoudehocuehcdouhd
Explanation:
The extraction is done by electrolysis. The ions in the aluminium oxide must be free to move so that electricity can pass through it. Aluminium oxide has a very high melting point (over 2000°C) so it would be expensive to melt it. The use of cryolite reduces some of the energy costs involved in extracting aluminium.
Answer:
He only purchases strawberries grown locally.
Explanation:
Based on the information we are given, this is the only reasonable answer.
Answer:
sodium is stored under oil
Explanation:
to prevent reactions with oxygen
Answer: <u>Hydrogen.</u>
Explanation: <u>One problem with fuel-cell cars is that hydrogen gas is not readily available in pure form.</u> Fuel cell vehicles use hydrogen gas to power an electric motor. Unlike conventional vehicles which run on gasoline or diesel, fuel cell cars and trucks combine hydrogen and oxygen to produce electricity, which runs a motor. Hope this helps ^-^.
