It was never seriously considered. It was not used because it would have been to hard, as there was many failed attempts at it before.
Yes, you are correct about change of water into water vapours , also you will think it is doesn't have any importance and is waste for the plant energy. But it is a “NECESSARY EVIL” as it cools down the plant , transport water,minerals and also Plant hormones,etc. May you got your answer
You want me to do the whole essay?? What are you specifically asking?
Wrote sensational reports on a variety of serous problems facing the US. Their works were widely published, and widely read, and they motivated people to make reforms.