Catalytic converters are fitted in the exhaust systems of many cars.
Gas X:
- causes acid rain if it is released into the air
- is removed from car exhaust fumes by a catalytic converter.
What is gas X?
1 )
carbon dioxide
2 )
carbon monoxide
3 )
hydrocarbon vapour
nitrogen dioxide
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!