Adding perchloric acid to water would cause it's conductivity to increase.
Answer:
well we can't awnser this we don't have the full information srry♥️✨
I don’t know about 1 But number 2 is AB + xH2O = AB.xH2O
One is ocean
Two is green house effect is the trapping of gas in the atmosphere and global warming is the heating of the earth
Three is option one
Reactant are those that combine or reacts to give products !!
so in combustion of ethane ; ethane and o2 are reactants so ... your answer is B !!